how do i multiply fractions with diffrent denomenators?

4,923 results
  1. arithmetic

    a stock clerk had 600 pads on hand. He then issued 3/8 of his supply of pads to division X,1/4 to division Y and 1/6 to division Z. The number of pads remaining in stock is? I don't get how to solve this problem. In arithmetic problems, the word "of"

  2. chemistry

    Can some one please balance this equation for me Fe + O2---> Fe2O3. Fe + O2 ==> Fe2O3. Here is the way to balance these equations by inspection, meaning, by trial and error. Rule #1. You may not change any subscripts. Equations are balanced by changing

  3. mathematics

    If 3/4 of a class is absent and 2/3 of those present leave the room, what fraction of the original class remains in the room? my book says.. if 3/4 are absent, 1/4 are present hows that so? then it says if 2/3 of the 1/4 present , 1/3 of the 1/4 remain

  4. Math

    How do you divide fractions??? Cross multiply: For example, 4/5 divided by 6/7 would be 28/30 or 14/15. 3/4 divided by 2/3 would be 9/8 or 1 and 1/8 Actually, the word cross multiply is a misnomer. What is being done is multiplying by the reciprocal for

  5. math

    Give an example that shows how to use the Distributive Property to multiply a number by a sum. All of the numbers you use should be mixed numbers or fractions.

  6. Algebra

    I having a hard time with this word problem: A backyard has dimensions 4 and 2/5 yards by 2 and 4/5 yards. What is the area of the backyard in square yards (yd^2)? Do I mulitiply and then simplify? Yes, you do multiply and then simplify. To make it easier

  7. Math

    Simplify. -2(3)^2 - 8 ÷ 2 + 6 A) -18 B) -16** C) -7 D) 7 Lucy is trying to find a rational number between 3/8 and and 6/7 What would help her to find this number? A)Divide 3/8 by 6/7*** B)Multiply 3/8 by 6/7 C)Convert 3/8 and 6/7 to Fractions with a

  8. Binomial

    Help me on this one :( Express y= (7-3x-x^2)/[((1-x)^2)(2+x)] in partial fractions. Hence, prove that if x^3 and higher powers of x may be neglected, then y=(1/8)(28+30x+41x^2) I did the first part of expressing it in partial fractions. (Since it's very

  9. basic math

    In my book A bread piece calls for 3 1/4 cups of flour if you only have 2 1/8 cup. How much more flour is needed? 3 1/4 -2 1/8= 13/4 - 17/9 how does it equal 13/4 can someone show me that part? I thought I knew how to subtract fractions but I don't get it.

  10. Math

    could you tell me three equivalent fractions for each: 2/3 8/16 4/10 3/4 Just multiply or divide by a common number. For example, 2/3 = 4/6 = 6/9 = 8/12 = 10/15 8/16 = 4/8 = 1/2 etc. Just multiply each fraction by 3 different numbers. For example

  11. math, Jay

    How do these fractions turn into the following fractions. 1/3=10/30 1/5=6/30 1/10=3/30 There is a fundamental fact of math that says if you multiply anything by one , nothing changes. but 1 = 3/3 = 10/10 etc. So if you have a fraction, and multiply it be

  12. math

    how you multoply 5 2/7 x 5/8 x 3 1/2 write the answer in simplest form First of all you have to change all mixed fractions to improper fractions, mixed fractions are useless in calculations. Then multiply your numerators together and multiply your

  13. Algebra 1-Fractions

    Or, eliminating fractions, I should say. So, I need some help. See, I am really not a big fan of fractions. But I need to eliminate fractions to do a math problem. First one is 1/2-x=3/8. I know how to find LCD, then multiply both sides, distributive

  14. math

    show how to simplify before you multiply 3 1/2 x 2 2/7 4445456743+38067738476= change both mixed fractions to "improper" fractions 3 1/2 x 2 2/7 = 7/2 x 16/7 =8 (after you cancel)

  15. algebra

    Solve. x/9-1/7=26/63 STEP 1: The LCM is _________ To clear denominators, multiply each side of the equation by the LCM. _______/1 (x/9-1/7)=__________/1 multiply 26/63. STEP 2: Use the Distributive Property. _____/1 multiply x/9 - _________/1 multiply 1/7

  16. MATH

    HOW DO YOU MULTIPLY FRACTIONS? what is quik and easy way to mutply fractions Multiply the numerators (top numbers) and multiply the denominators (bottom numbers). Place the multiplication of the top numbers on the top of a new fraction and the bottom

  17. division of fractions

    Division of fractions is sometimes said to be multiplication of inverses. Elaborate with an explanation and example. If you have a/b divided by c/d this is the same as a/b * d/c If e.g., we have 2/3 divided by 7/9 then we have 2/3 * 9/7 = 6/7 When dividing

  18. Math

    Describe two ways to determine the larger of two fractions. A. Compare fractions by writing fractions as mixed numbers B. Compare fractions with the same denominator by comparing the numerators and compare fractions with different denominators by writing

  19. physics

    I keep seeing 7.620497955 as the electrical force between a proton and electron but when I multiply (8.99 x 10^9)(1.602 x 10^-19)-(1.602 x 10^-19)/(10^-10)2 I get a diffrent answer. Am I multiplying the wrong numbers?

  20. Math

    A pizza parlor has 3 diffrebt crusts and 3 diffrent cheeses and 7 diffrent toppings . How many combinations are on a pizza with 3 topings 1 crust and 1 cheese ? Help please I got 42 and then was told I was wrong

  21. algebra

    Problem Two: 5/9 + (2/9)x = 25/7 + (6/7)x – 2/3 Multiply figures inside parentheses 5/9 + (1 x 2/9x) = 25/7 + (1 x 6/7x) – 2/3 Collect like signs 5/9 + 2/9(6/7x) = 25/7 + (-2/3) Multiply like signs 2 x 6 9 7 Reduce like numbers 2 x 2 = 4x 3 7 21x

  22. math,correction

    Geometry. The volume of the box is represented by (x^2+5x+6)(x+5). Find the polynomial that represents the area of the bottom of the box. the diagram has the height being x+2 My answer is: A=(x+5)(x+3) -------------------------------------- Multiply the

  23. math

    how do you add and subtract and multiply and divide fractions? I searched Google under the key words "fractions add subtract multiply divide" to get these possible sources:

  24. maths algebra

    HI STEVE, THANKS for your reply back it was the wrong answer the one you worked, yes a hard question, here is an example of simultaneous questions. x-2/3 + y-1/4 =13/12 (1) 2-x/2 + 3+y/3 =11/6 (2) first step is to get rid of fractions. in equation (1) the

  25. Math

    Can I reduce these fractions before I multiply them together? because when i multiply them I get some huge numbers. thank you 11/52 times 39/80 21/25 times 15/28 32/121 times 33/144 16/105 times 155/93

  26. intro cal

    the first 3 term of a geometric progression are k-4, 2k-4, 4k+4. what is the value of k? can someone help please! in any geometric progression any term divided by its previous term gives you the common ratio, so .... (2k-4)/(k-4) = (4k+4)/(2k-4)

  27. Math

    I still do not understand fractions?????? 2/3 + 1/3 + 5/6 = divide all of them first then add them up ???. I am still lost, can someone please help me. Ok. In your earlier question, there was talk of the LCM, the least common multiple. Whenever you add

  28. math

    Fractions and mixed numbers are often used in everyday life. Discuss a real-life example in which you would need to add, subtract, multiply, or divide fractions or mixed numbers, and show the math

  29. math help please

    I am having a hard time understanding recprocial with fractions I would like to find a web site to help me understand this better I have a problem that is need to know if i have done it right the question is find the reciprocial of (-1/7)(14/3)(9) This how

  30. math

    Norar compute three diffrent answers?r has 1,555 songs on her computer. S are therehe rounds this number to the nearest ten, to the nearest hundred and the nearest thousand. She gets three diffrent rounded numbers. What are the numbers? Why

  31. Math

    How do you multiply two mixed numbered fractions?

  32. Probabilitys Math

    After the last game of the season a football team goes out for ice cream. Each player orders a triple cup of ice cream with a topping.Each order has 3 diffrent flavors, order doesnt matter.The shop has 7 diffrent flavors and 2 toppings to choose from iss

  33. algebra

    x+1 -x+2 = x+3 ____ _____ ____ 2 3 4 How do I solve this equations? These are fractions mi don't know I'm going to assume your problem is this: (x+1)/2 - (x+2)/3 = (x+3)/4 ...and you are trying to solve for x. If so, here's how you would go about it:

  34. MATH repost for Denzel

    MATH - denzel, Monday, September 24, 2007 at 6:18pm how do you multiply fractions

  35. math

    this is a multiple choice question. How can you clear the equation (x/3) + 1 = (1/6) of fractions? a) multiply each term by 3. b) multiply each term by 6. c) divide each term by 6. d) divide each term by 18. e) divide each term by 3. I choose A but I got

  36. Algebra 1

    c. multiplying x/6-5/8=4 by 6 did not eliminate all the fractions/ What could you have multiplied to get rid of all the fractions? Explain how you got your answer and write the equivelent equation that has no fractions. HELP ME PLEASE!!!!!!! I don't

  37. fractions

    my teacher gave us some fraction problems for homework, but I'm confused about how to go about solving the problem. The problem is what is 2/4 of 8. Can you show me the steps so I can do the rest of the math problems? 2/4 reduces (or simplies if you

  38. math

    Separate the fractions 2/6,2/5,6/13,1/25,7/8and 9/29into two categories: those that can be written as a terminating decimal and those that cannot. Write an explanation of how you made your decisions. b. Form a conjecture about which fractions can be

  39. maths

    Can someone please help me with solving this equation (I don't know how to do it with the fractions) 1/3 x1^-2/3 . x2^2/3 -------------------- 2/3 x1^1/3 . x2^-1/3 how do I cancel out some of the terms and reduce it down so that Im left with x2 on top and

  40. Math repost for Robin

    math - Robin, Tuesday, October 2, 2007 at 5:50pm my text book is confusing and complicated and I don't have anyone I can ask for help right now. all I want is to know how to multiply fractions like 1x2 1 4 3

  41. math

    12 1/3 + 7 7/15 switch fractions to improper fractions then find a common denominator to find improper fraction of 12 1/3 multiply whole number (12) by the denominator of the fraction (3) then add the numerator of the fraction (1) therefore improper

  42. MATH 8TH GRADE Correction

    Sorry I forgot to give directions for each problem. The lines represent that the numbers are fractions. Thank you. Multiply ã7/ã8 ~ ã24/ã49 = Divide ã45/ã81 = Simplify 7ã3/ã5 =

  43. math

    Two fractions have the same denominator,15. The difference between the fractions is 2/5,and the result of dividing one of them by the other is 4/7. What are the fractions?

  44. Math definition

    I need the meaning of the following I looked in math book and online but it gives me so many things I need the meaning of it to put in my notes. "Of" "Out of" "Multiply fractions"

  45. math

    this is a multiple choice. To clear the equation (6/x) + 5 = 4/(x − 3) of fractions, multiply each side of the equation by the least common denominator ______. a) x-3 b) x c) x^2 -3 d)x(x-3) c) x^2

  46. math

    Multiply fractions and whole numbers 3. Math class starts at 9:50 A.M. and ends at 10:45 A.M. How long is the class??? Please help me on this question I'm stuck on homework!

  47. CHEMISTRY

    during column chromatography, if four fractions are done, how do we know what is in each beaker and why. I know that beakers 1 and 3 will contain the majority of the fractions being separated but what about beakers 2 and 4. How do we know that they are the

  48. Math(Please respond)

    .50 - x / x = 3.20e-1 I need to solve for x. I was going to do .50 X 3.20e-1 and then take the square root but this is not correct. I am not sure what to do. Thank you for your help. Math(Please help) - Reiny, Tuesday, April 17, 2012 at 3:18pm You probably

  49. Math

    How could I figure out which circle graph (out of a selection of answers) represents the data set I have been given? My data set: Dog: 10 Cat: 5 Fish: 5 I just want to check HOW to solve it. I think I have to: 1.) Turn the data into fractions 2.) Turn the

  50. math

    hi i would really appreciate some help solving this question simultaneously: Find A and B such that x-11/(x+3)(2x-1)= A/x+3 + B/2x-1 Multiply both sides by (x+3)(2x-1) to get rid of the fractions. We end up with this: (x-11) = A(2x-1) + B(x+3) You can

  51. Multiplying Polynomials

    Use the distributive property to write (each of) the following expression(s) as the sum of monomials. M. (t - 1)(t + 1)(t^2 + 1) I already know that I must multiply across, but I am a bit confused regarding the order to multiply in and which variables to

  52. Math

    Frank teacher was teaching the class about fractions. She posted the fractions 1/7 and 3/9 on the board. Frank was supposed to answer what the least common multiple of the two fractions was. What did he answer? Help

  53. math!!!!!!!!!!!!!!!

    ( egyptian fractions are fractions where the numerator can only be one) find two egyptian fractions where when added together it equalls 11/32

  54. math

    how do i multiply fractions with diffrent denomenators?

  55. arithmetic

    ok I don't know how to multiply 600x3/8 then subtract it. Could you please show me how. That math place doesnt realy help me. I get 1800/4800 right?? how do i break it down without it taking forever?

  56. Math

    I need help multiplying the fractions out. The question is... x/3 + y/2 = -4 x - 3y = 6 ( x/3 is a fraction ) To rid an equation of fractions, simply multiply everyting (both sides, too) by the denominator. In this case you have two numbers in the

  57. math

    if you have 63 diffrent combinations how many diffrent combinations can you make with 1 crust , and 3 diffrent toppings , and 1 type of cheese ?

  58. math[fractions]

    how would u multiply two fractions ex. 2 2/3 times 3 5/6 First, make each one an improper fraction. To do this, multiply the denominator by the whole number in front of it and then add the numerator. Put all of that on top of the denominator: 3*2=6 6+2=8 2

  59. Math / Fractions

    I have 3 mixed fractions 2 1/4 , 1 1/2 , 3 5/8 Now I already turned them into improper fractions. 9/4 , 3/2 , 29/8 But I'm a little confused on how to get the common denominator.. Is it 8? or do I multiply their factors?

  60. elementary math

    I am going to be a teacher one day. I need help explaining this: A student asks whether it is easier to add fractions or multiply fractions. What my respone should be?

  61. Math

    Ok so I totally forgot how to find a common denominator when your adding fractions, could someone please tell me the steps to do that? :) multiply. Multiply the denominators together and this gives the new denominator. Divide each denominator into the new

  62. math

    Multiply and simplify 2/3*13 The answer is 22. Right? if you mean (2/3) * 13 or 2 / (3*13) i believe according to both your answer is wrong Is that (2/3)*13? If so, then (2*13)/3= something other than 22. Or if it is 2/(3*13) = it is not 22. Show your work

  63. MATH, help please

    how would y multiply 4 4/7 x 7 3/4? how do u multiply fractions witha whole #?

  64. Math 116 a

    multiply -8/3*(-6/5)= would it be 48/15? I can remember how to multiply fractions help

  65. math

    Susan has 8/9 gallons of water. She drinks 2/5 of it. Select all the statements that help you determine what fraction of a gallon she has left. Divide 8/9 by 2/5. No Divide 2/5 by 8/9. Yes Multiply the fractions together. No Multiply 8 x 2 and 9 x 5. No

  66. math

    I need help solve the equation by fractions 8/(21-y) = 12/(y+19) I think the answer is y = 5, i just need to know how to do work out. i done some solution like this first multiply by(21-y)(y+19)(assuming that y = 21 and y = 19: (21-y)(y+19)8/(21-y) =

  67. math,help

    Can someone show me how do i multiply the following fractions: (n^2-n-20)/(2n^2) times (n^2+5n)/(n^2-25) When you multiply fractions, you just multiply straight across. So if you have: 1/3 * 1/4 1*1 ---- 3*4 That's 1/12 With that in mind, let's look at

  68. math

    how do you solve this type of math problems that indicates to perform the indicated operations for 3 and 3/4 divided by 1 and 3/8 convert the whole numbers into fractions. 3 3/4 = 15/4 1 3/8 = 11/8 to divide 15/4 by 11/8 invert the denominator and

  69. math

    how do you multiply fractions?

  70. math

    How can I multiply fractions

  71. math

    okay thanks for that. but now i need to know if you multiply the fractions across. thank u

  72. Math

    how to multiply fractions?

  73. math

    how do you multiply fractions?

  74. math

    How to multiply long fractions

  75. math

    How do multiply mixed numbers and fractions

  76. Math

    how to you multiply fractions (not mixed numbers)

  77. math

    how do you add, subtract, multiply, and divide fractions

  78. ALGEBRA

    how do i multiply and divide fractions with negitive numbers?

  79. Math

    How do you multiply fractions using a number line 3 3/4 divided by 2/8

  80. math

    what is 1/3 of 1/4 = ? Multiply the two fractions to answer your question. 1/3 * 1/4 = 1/12 I hope this helps. Thanks for asking.

  81. MATH

    a) Multiply and simplify using fractions 3 5 - * - 5 7 b)Convert your answer to a decimal. thank you for the help.

  82. Math

    How do I multiply fractions with different denominators? Do I always do cross multiplication? EX: Xy, when X = -5/16 and y = 7/15. 2. How do I write 12/5 as a whole number?

  83. Math/fractions

    I need help with subtracting fractions I have no idea if I'm doing it right. Please help. 3/7-9/21 Fist you find a least common denominator, right? So it's 21 Do you then multiply 3/7 to 3/3 so it will be 9/21 So, 9/21 - 9/21 = 1

  84. math 117

    x/(x-2)- (x+1)/x= 8/(x^2-2x) notice that x^2 - 2x factors to x(x-2), which are found as the denominators of the first two fractions. Multiply each term by x(x-2), the rest is easy.

  85. math,algebra,help

    can someone explain to me why (3)/(5) and (27)/(45) are equivalent fractions. If you simplify 27/45 by dividing the numerator and the denominator by 9 you will get 3/5. 27/25/9 27/25*1/9=3/5 3/25=3/5 5*3=3*25 15=75 75/15=3 If u multiply 3/5 by 9/9 you get

  86. math

    Can you please solve and show the steps in multiplying and dividing a problem with 3 fractions? Should I multiply first then divide?

  87. Math

    What is the easiest way to solve for x. (these are fractions, not dividing) 4/15=x/5 would I find the common denominator or cross multiply and x/3=x+10/6 same question

  88. algebra

    I know its true but why? When you multiply a whole number by a whole number the result is a larger number. When you multiply fractions the result is a smaller number.

  89. Math

    I the question is simple but I haven't done fractions in a while. So check my answer please. Are and equivalent fractions? A. No B. Yes, because both fractions are divisible by 2.**** C. Yes, because the difference between the denominator and numerator in

  90. algebra

    how do i work out 2/5x-6=12 your post shows how important it is to use brackets to avoid ambiguity. do you mean (2/5)x-6=12 ? or 2/(5x) - 6 = 12 ? or 2/(5x-6) = 12 in any case, cross-multiply and your fractions are gone. then solve as a simple basic

  91. Math

    The problem to solve is: (x+20)(x-12)(x+4)>0 but I can't figure out how to do this right so I left off the >0 and tried to solve the equation. x+20 evaluates to x+20 x-12 evaluates to x-12 Multiplying x+20 by x-12 is a classic Algebra problem. Here, you

  92. math

    : Fractions are an important part of your daily lives. Describe some practical applications for fractions in your daily life and some challenges that you have experienced regarding the use of fractions.

  93. Math

    I'm horrible at fractions and I have a big test tomorrow! I've tried studying but I just don't get them. I don't know their rules and how to divide multiply ect. :(

  94. someone help

    my post is still on this page as algebra, could someone elaborate on what bobpursley tried to help me with. See your original post. I am guessing you are referring to your question 5)Simplify:(5x-4)^2 and your answer= 25x^2 - 16 (5x-4)^2 =(5x-4)(5x-4) =

  95. Math(Arithmetic)

    How do you multiply fractions using manipulatives? Not in paper math way, but in manipulatives...

  96. Math

    Shelly and Marcom are selling popcorn for their music club. Each of them received a case of popcorn to sell. Shelly has sold 7/8 of her case and Marcon has sold 5/6 of his case. Which of the following explains how to find the portion of popcorn they have

  97. Math, Please Help!

    Ned divided a given number by 3 and then added 2. If he should have multiplied the number by 3 and then subtracted 2, which of the following two steps can he do next to get the correct answer? Subtract 4 and then multiply by 9. Subtract 12 and then

  98. math

    how do i do x2+12x+32 x2+12x = 14x+32 subtract 14x from each side 14x=32 divide by 2 7x=16 x=16/7, which is 2 and 2/7 ok maybe you typed that question wrong? is it x^2 + 12x + 32 ? if it is then the solution is: (x+8)(x+4) because when you multiply them

  99. math

    2/3(7/8-4x)-5/8=3/8 I do not underdtand the steps?? Do I find a common denominator for all the fractions? Step 1. Clear the parentheses. Step 2. Multiply through by 24. Step 3. Solve for x. when I clear the parenthesis do I distribute 2/3 or do I just take

  100. math

    4. If you made half of the recipe, how much of each ingredient will you use? Make sure you use fractions in your calculations, as well as label your answer. 4a. What operation would you use to find half of the recipe? * a) divide by 2 b) multiply by 2 c)

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