# Find the lowest common denominator of 3/4 and 5/8

88,270 results, page 3

### Math

3/4, 1/4, 1/12, 1/36 what is the next number in the sequence? I tried using 36 as common denominator but that seems wrong. Can you help me get the answer and explain how it was done. PLEASE HELP

### math

when 2 is added to both the numerator and denominator, of a positive fraction, the fraction thus obtained is 3/5. If the denominator is 6 more than the numerator,what is the original value of the denominator?

### Algebra

The numberator of a fraction exceeds the denominator by 3. If 3 is added to the numerator and 3 is subtracted from the denominator, the resulting fraction is equal to 3/2. Find the original fraction.

### maths

if the denominator of fraction is 6 more thanthe numerator if the numretor is increased by 1 and denominator is decreased by 2 new fraction becums 3/4 find the fraction

### Physics

A 30 kg child sits in a swing supported by two chains, each 1.4 m long. (a) If the tension in each chain at the lowest point is 265 N, find the child’s speed at the lowest point. (Neglect the mass of the seat.) Answer in units of m/s. (b) Find the force of the seat on the ...

### Algebra

I'm having trouble working out these problems. Could someone please assist? with this first one do I factor the x^2 + 3xy - 18y^2 first? x - 3y * x^2 + xy - 30y^2 / x^2 + 3xy - 18y^2 3a^3b^2 * 4a^2 + 2ab + b^2 8a^3 - b^3 12ab^4 3y + 12 / 9y+36 8y^3 16y^3 Susan I see these are ...

### math

write the following as a common fraction or mixed number in it's lowest term 6.38

### Math

The lowest common multiple of two numbers is 36,one is 12 what might the other be?

### Algebra

The denominator of a fraction is 2 less than twice the numberator. If the numerator is decreased by 2 and the denominator is increased by 3, the resulting fraction simplifies to 1/3. Find the original fraction. Have no idea what to do.

### math

Shorten fraction: (x^2+2x)/(4x+8)= ? and reduce: (8a^3*b*a^-2)/(2b)^2= ? First. In the numerator, factor out an x. In the denominator, factor out a 4. this will leave a common factor that can be divided out. Second.change the numerator to 8ab. Check that to see if it is right...

### Math

1)let k and w be two consecutive integers such that k<x<w. If log base 7 of 143 = x, find the value of k+w 2) if 7 and -1 are two of the solutiosn for x in the equation 2x^3 +kx^2 -44x+w=0, find the value of k+w 3) from an ordinary deck of 52 cards, two cards are ...

### algebra

least common denominator for these two rational expressions. ( / stands for fraction bar and the ^ means it's squared. i don't understand these at all. a/ a^2-36 2a/a^2+5a-6

### help

The interest rate on a second mortgage was5 7/8 % last month. This month the interest rate is 7 3/2 %. How many percentage points has the interest rate increased? Are you sure you mean 7 3/2% ? No lender would write an intereest rate that way. Perhaps you typed a numerator or ...

### Math

Rationalize the denominator and write your answer in lowest terms (2 √ 6 + √ 3)/ ( √ 6- √ 3)

### math

The numerator of a fractionis 5 less than twice the denominator. If the numerator is decreased by 1 and the denominator is increased by 3, the value of the new fraction is 5/4. Find the original fraction.

### Algebra

What number must be added to both the numerator and denominator by 3. If 3 is added to the numberator and 9 is subtracted from the denominator, the new fraction is equal to 3/2. Find the original fraction.

### Math

The denominator of a fraction is four more than twice the numerator. If both numerator and denominator are increased by six, the simplified result is 7/13. Find the original fraction

### algebra 2

Find the LCD for the following pairs of rational expressions. numerator 8 divided by denominator x negative 13 and numerator 7 divided by denominator x plus 15

### Maths

denominator of a fraction is 1 more than its numerator. the fraction reduces to one fourth when numerator is reduced by 2 and denominator is increased by 3. find the number

### algebra

The denominator of a fraction is 2 more than the numerator.If 1 is subtracted from both numerator and denominator,the result in fraction has value of 1/2.Find the original faction.

### maths

The denominator of rational number is GreaTer than it numerator by 7.if 3subtracted to numerator and 2added to denominator the newnumber become 1/5 find the origina number .

### algebra

The denominator of a fraction is 3 more than twice the numerator. If both the numerator and denominator are decreased by 7 and the simplified result is 7/19 find the original fraction

### precal help

The numerator of a fraction is four less than the denominator The sum of the fraction and its reciprocal is 5/2 Find the numerator and denominator if each is a positive integer

### precal help

The numerator of a fraction is four less than the denominator The sum of the fraction and its reciprocal is 5/2 Find the numerator and denominator if each is a positive integer

### algerbra 2

B. The rational expression is not defined for any values of 20^2-180/4x^2+36+ 72 for which the denominator equals zero. Find the value(s) of for which the denominator equals zero.

### le

a fraction is such that the numerator is seven less than the square of the denominator. if six is added to the numerator and on to the denominator the result is 2. Find the fraction

### Maths

Find the denominator n of the rational number kn (k,n are both integers) such that ∣Root 2 - k/n∣ is the smallest possible, out of all rational numbers with denominator less than 1000?

### KUAI HELP!

4/75, 2r/25, r/125 -1/x, 2/xy, x/y 1/a, 1/b write fractions as equivalent fractions with the least common denominator

### math

how to use a common denominator to write an equivalent fraction for each fraction?

### maths

the denominator of a fraction is two more than the numerator.when we decrease the numerator by1 and increase the denominator by 3,we get 1/4.find the fraction

### math

Find a fraction which reduces to 2/3 when 3 is adding to both its numerator and denominator and reduces to 3/5 when 1 is added to both its numreator and denominator

### kishore

if 1 is added to the numerator and 3 to the denominator of a fraction it becomes 1/2 if 1 is subtracted from the numenator and 2 is added to the denominator it becomes 2/5 find the fractions

### LCD

I need a reveiw on how to use the LCD least common denominator to add and subtract

### 5th grade math

rewrite each pair of fractions as equivalent fractions with a common denominator? 2/3, 3/4

### Algebra

2 divided by 5w+ 10, minus 3 divided by2w-4 2/(5w +10) - 3/(2w-4) ? That can be rewritten with a common denominator. (2/5)/(w+2) - (3/2)/(w-2) = [(2/5)(w-2) - (3/2)(w+2)]/(w^2-1) = [(-11/10)w - (19/5)]/(w^2-1) But it doesn't look any simpler that way.

### Physics

Problem 3- A 40 kg child swings in a swing supported by two ropes, each 3 m long. (a) If the tension in each rope at the lowest point is 350 N, a. find the child's speed at the lowest point. b. the force exerted by the seat on the child at the lowest point. (Neglect the mass ...

### Math

How do you subract the fraction 2/5 and 4/9? Form a common denominator and subtract the numerators, like this: 20/45 - 18/45 = (20-18)/45 = ? I assume you wanted 2/5 subtracted from 4/9, not the other way around. If you want 2/5 - 4/9, the sign changes.

### maths

how do i solve this equation? 2/(x+1)=1/(x-1) - (1/(2x-1)) thx Get a common denominator (x+1)(x-1)(2x-1) then, each term, multipy it out. Gather terms, solve.

### Maths

The numerator of a is 5 less than the denominator. If 1 is added to both the numerator and the denominator the fraction would be 2/3. Find the fraction

### Math 111 (College Algebra)

Rational number or irrational? And why? I have been challenged in my college algebra class to determine whether or not .12122122212222122221222221... (continuing forever)is a rational number or not. I need to prove one way or the other. I am lost! :-( I know that rational ...

### algebra

w10y12z _______ w6z5 Are those exponents like [(w^10)*(y^12)*z]/[(w^6)*(z^5)]? If so then you should have some rules telling you how to simplify ratios of expressions. If the exponent of the numerator's term is greater than the term's exponent in the denominator, then subtract...

### math

paul spends 2/3 of an hour exercising and 1/2 hour practicing the piano each day what is the least common denominator of these fractions?.

### math

the numerical expression for 7/8-3/4(2-1/6)-2/3 is equal to I made a common denominator of 24 21/24-1&+12/24+3/24-16/24 -15/24+3/24-16/24 -12/24-16/24 -28/24 both are divible by 2 -14/12 & divide both by 2 again to get -7/6 Is this correct? Thank you

### math help

How do you figure out a related sentence for fractions? (here is the problem) t + 1/8= 3/5 multipy the 1/8 by 5/5 or it is 5/40 Then, mulipy the 3/5 by 8/8 to 24/40 Finally subtract 5/40 from both sides. Think out why it is done this way. What do you mean by a "related ...

### Math

The product of my numerator and my denominator is divisible by 2 .my denominator and my numerator differ by 3. My numerator is an even number .my denominator is a prime number.I am:______

### rs aggarwal math class 8 chapter 8 soluation

in a fraction twince the numerator is 2 more than the denominator . if 3 is added to the numerator and to the denominator , the new fraction is 2/3 . find the original fraction.

### math

what is the greater common factor of 6/12 need all divisible numbers for both and put in lowest form as a fraction

### Math

This is a fill in the blanks. The lowest common multiple is the ________ number the given numbers divide into evenly

### Math

The denominator of a fraction exceeds the numerator by 7. If 3 is added to the numerator and 1 is subtracted from the denominator, the resulting fraction is equal to 4/5 . Find the original fraction. PLZ SHOW ALL WORK AND HURRY!!!

### maths

These questions concern the integers 84, 126, 168 and 294. 1)Choose the option that is the lowest common multiple of the four integers. 2)Choose the option that is the highest common factor of the four integers. Options for them: A) 28 B) 42 C) 63 D) 294 E) 3528 F) 7056 G 10) ...

### Math

Add or subtract the following rational expressions. Be sure to look for factors before trying to determine a common denominator, and simplify your answers, if possible. 16x-12/4x^2+5x-6-3/x+2

### maths

the numerator and denominator of a fraction are in the ratio 3:2 if 3 is added to the numerator and 2 is subtracted from the denominator a new fraction is formed whose value is 9/4 find the original fraction?

### Algebra

The numerator and the denominator of a fraction are in a ratio 3:2.If 3 is added to the numerator and 2 is subtracted from the denominator,a new fraction is formed whose value is 9/4 . Find the original fraction.

### Math help plz ASAP.

Rationalize each denominator. 6 + square root of 2 ____________________________ square root of 3 PLZ HELP..dont kno how to do this question.plz explain..thanks You have (6 + sqrt(2))/sqrt(3) multiply that by sqrt(3)/sqrt(3) to get [(6 + sqrt(2))*sqrt(3)]/3 and simplify To ...

### Math

The numerator of a fraction is two less than its denominator. When both numerator and denominator are increased by 3, the fraction is incre ased by 3/20. Find the original fraction. Pls include solution and workings thx :)

### Math - Maxima and Minima

The height, h, in metres, of a ski ramp over a horizonatal distance, x, in metres, is given by h(x)=0.01x^3-0.3x^2+60 for the interval 0 less than or equal to x less than or equal to 22. a) Find the vertical drop from the top of the ramp to the lowest point on the ramp. b) ...

### math 116

Is it always necessary to have a common denominator to add and subtract fractions? Why? What about multiplication and division with fractions?

### Algebra 1

Solve the equation by multiplying each side by the least common denominator. 2/h-2 + 4/h+1 = 0 I know the answer is 5, but I do not know how to solve the problem. Please explain further.

### Math

Fared wants to add 1/4 + 5/8. Add the fractiins by using a giant ine to create a common denominator. Does anyone have an answer if you do Thank You- Sutton

### algebra

The denominator of a fraction is 12 more than the numerator. If 16 is added to the numerator and 16 is subtracted from the denominator, the value of the resulting fraction is equal to 2/1. Find the original fraction

### algebra

The numerator of a fraction is 7 less than the denominator if three is added to the numerator and 9 is subtracted from the denominator the new fraction is equal to 3/2. Find the original fraction.

### Math

The denominator of a fraction is one more then the numerator. If 2 were added to both the numerator and denominator, the new fraction equals 4/5. Find the original fraction.

### math

the difference between the numerator and denominator of a fraction is 5. if 5 is added to its denominator then the fraction is decreased by one of its one fourth 1(1/4). find the value of fraction

### math

the denominator of a rational number is greater than its numerator BY 7 if the numerator is increased by 17 and the denominator is deacreased by 6 the new number becomes 2 find the orginal number

### math

the numerator of a fraction is 3 less than the denominator. if 4 us added to the numerator and to the denominator, the resulting fraction is equivalent to 3/4. find the original fraction. Show your solution

### math

Find the least common denominator for fractions with the given denominators of 6, 8 and 10. Explain also what the LCM for these numbers would be. (c).The average person drinks about 3 1/5 cups of coffee per day. If a person works 5 days a week for 50 weeks a year. Find how ...

### Mathematics

Find a fraction which reduces to 3/4 when the numerator and denominator are each decreased by 1, and which reduces to 4/5 when the numerator and denominator are each increased by 1.

### Mathematics

Find a fraction which reduces to 3/4 when the numerator and denominator are each decreased by 1, and which reduces to 4/5 when the numerator and denominator are each increased by 1.

### maths

Find a fraction which reduce to 2/3 if the numerator and the denominator are each increased by 1 and reduce to 3/5 if the numerator and the denominator are each reduced by 2

### Calculus II

So I'm trying to integrate a function using partial fractions. Here is the integral of interest: ∫(3x^2+5x+3)/[(x+2)(x^2+1)]dx. Since the numerator's degree of the polynomial is lesser than that of the denominator's degree, it is clear to separate. However, once I ...

### Maths

The first term of an AP is 12 and that of a GP is 6. The common difference and the common ratio are equal, so as are the sum of the fist 3 terms. Find the possible values of the common difference?

### physics

The length of the auditory canal in humans averages about 2.5 cm. What is the second lowest standing wave frequency for a pipe of this length open at one end? Use 345 m/s for the speed of sound. I know that 4L=lambda, so lambda= 10cm. I know that f=v/lambda, so f=3450 Hz. But ...

### Algebra

The numerator of a fraction exceeds the denominator. If 3 is added to the numerator and 9 is subtracted from the denominator, the new fraction is equal to 5/2. Find the original fraction.

### Maths

The numerator and denominator of a fraction are in ratio 5 :2, if 5 is added to the numerator and 2 is subtracted from the denominator a new fraction 15 4 is formed. Find the original fraction.

### Maths

The numerator and denominator of a fraction are in ratio 5 : 2, if 5 is added to the numerator and 2 is subtracted from the denominator a new fraction ¹/4 is formed.Find the original fraction.

### math

The denominator of a fraction is 3 more than the numerator. If 5 is added to the numerator and 4 is subtracted from the denominator the value of the new fraction is 2. Find the original fraction?

### Math

3 2 ----- - ------ 2a -2 1 - a 5 3 ----- - ------ 2x - 4 2 - x need a little understanding on these anyone? I don't understand the second term. Is it this? 3 2 ----- - ------ = 2a -2 1 - a 3 2 ----- - ------ = 2(a -1) 1 - a 3 2 ----- - ------ = 2(a -1) -( a-1) 3 2 3/2 +2...

### math

Find a fraction that reduces to 3/4 when both the numerator and denominator are decreased by i, and reduces to 4/5 when both the numerator and denominator are each increased by 1. I know the answer is 7/9, but i don't know how to solve (i must use a system of equations).

### math

the numerator of a fraction is 3 less than the denominator. if 4 us added to the numerator and to the denominator, the resulting fraction is equivalent to 3/4. find the original fraction

### Maths

The numerator of a fraction is 5 less than the denominator. If 1 is added to both the numerator and denominator the fraction would become 2/3. Find the fraction

### maths

the denominator of a fraction is 1 less than 4 times a numerator.if 1 is added to both the numerator and the denominator the fraction becomes 3/8.find the fraction

### Maths

The denominator of a fraction is5 more than the numerator. If the numerator is increased by 18 and the denominator is decreased by 4, the fraction becomes25/8. Find the fraction.

### math

if there are 30 students in a class and 39 candys in a pack how many packs of candy do you have to buy so that there will be no left overs (hint us lowest common mutilple

### math

The denominator of a fraction is 20 more than the numerator of the fraction. If 5 is added to the numerator of the fraction and the denominator is unchanged, the value of the resulting fraction becomes 38. Use x as your variable. Find x.

### Limits-Rationalizing

lim x->1 (1-(1/x^3))/ (1-(1/x^2)) I keep seeming to get a denominator of zero when I rationalized the denominator.

### math

in a fraction with a denominator of 15 which value could be the denominator be to produce a repeating decimal?

### math,algebra

how do you solve this problem 3 and 1/3 subtracted by 1 and 2/3? Change the mixed number back to fractions with a common denominator. That would give you 5/3 subtracted from 10/3. How many thirds are left?

### math

3/4 divided by 2/5 So I think then I turn it into. 3/4 x 5/2 then I'm a bit confused after this. Find the common denominators? (Which would be 8) In my lesson it says for 3 and 2 find their common factor. And it's 1. But that won't change anything. Could someone please explain...

### algebra

simplify. assume no denominator is eual to zero. -10m-1y0r(numerator) -14m-7y-3r-4(denominator)

### algebra help!!!!

Add: b^−3 ca^−1 −xc^−2 how would i do this ? Let me make sure I have the question right. We have b^(−3) ca(^−1) −xc^(−2 )=? You might also write this as (1/b^3) c(1/a) − x(1/c)= c/(a*b^3) - x/c=? If this is correct, then ...

### Algebra 2

The Denominator of a fraction exceeds the numerator by 4. When 3 is added to both the numerator and denominator, the fraction becomes 4/5. Find the fraction.

### algebra

the numerator of a fraction is 5 less than the denominator.if 1 is added to both the numerator and the denominator the fraction becomes 2/3. find the fraction

### Maths

The numerator of a fraction is 2 less than its denominator. If 3 is substracted from the numerator and from the denominator, the new fraction obtainded is 3/4. Find the fraction

### Maths

The numerator of a fraction is 7 less than the denominator. If the numerator is increased by 2 and the denominator by 9,we again get the same fraction. Find the fraction.

### MATH

HOW DO LEAST COMMON MULTIPLES WORK. IT SAYS THERE IS A PROBLEM TO SOLVE BUT MY MOM AND I CAN'T FIND IT. THEY CIRCLED BOTH 2'S AND 3'S. The least common multiple of 2 and 3 is six. The least common multiple of 12 and 6 is 12. # noun: the smallest multiple that is exactly ...

### Algebra

In a certain positive fraction \frac{a}{b} , the numerator is 2 less than the denominator. If the numerator and denominator are interchanged, the fraction is increased by 1 \frac{1}{15} . Find a + b .

### Basic Math

A student claims that 2/3 = 6/7 because if you add 4 to both the top and the bottom of a fraction, the fraction does not change. How do you respond? I am a bit confused. Don't you need to have a common denominator?

### Maths

The hcf of 140 and x is 20. The lowest common multiple of 140 and x is 20. What is the value of x? Thank you.

### Algebra

-9+3w/11 divided by 25w-75/121 Do I need a Common denominator? Would it be 121 as 11x11 is 121? Do I then multiply the numeratos- -9+3w by 11 or do I do the addition of -9+3w for-12w?