# LCD

163 results

**Math**

Is the LCD of x/2x-4 and 5x/12x-24 not 24(x-2)? The original question is x/2x-4 + 5x/12x-24 and I factored the denominators first so that I could find the LCD. And I got: x/2(x-2) + 5x/12(x-2) After that, I multiplied up to the LCD and got: x/2(x-2) + 5x/12(x-2) = x/2(x-2)*(12...

**Algebra**

Find the LCD for the given rational expressions, and convert each rational expression into an equivalent rational expression with the LCD as the denominator. 3 5 ----, ---- 84a 63b 4b 6 -----, ---- 75a 105ab Can someone here help me I do not understand this at all need help! ...

**alebra 1**

y+1/y-1 - y-1/y+1 = 8/3 I know that I have to multiply by the LCD of the denominaters, but what is the LCD of y-1, y+1, and 3????? PLEASE HELP!! ~aShLeY

**LCD**

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

**Algebra LCD**

whats the lowest common denominator LCD with x^2-25 and x+5

**algebra**

How do you find the LCD for these fractions 3/4c & 5/6ct also is the LCD for 4/15 & 1/9 (45)?

**algebra**

Reduce to lowest terms 3x-6/x^2-4x+4 perform operation w^2-1/(w-1)2 times w-1/w^2+2w+1 Find LCD and convert rational express. to equivalent rat. exp. with LCD as the denominator: 4/a-6 , 5/6-a

**Math**

I can't figure out 6 - 2/3r = 1 1/2 The way we're learning how to solve it, is by using the LCD. the LCD I use is 6 The book says the answer is 6 3/4 But I keep getting the wrong answer.

**Help1**

WHY rational expressions that are being added must have an LCD, but rational expressions that are being multiplied do not need to have an LCD. The short answer is that addition and multiplication are different operations with different properties. If we added rational ...

**Math - LCD**

What is the LCD for x^2,x, and x?

**algebra**

Find the LCD for the given rational expressions, and convert each rational expression into an equivalent rational expression with the LCD as the denominator. 4/x-y , 5/2y-2x

**HELP PLZ**

1. Milo bought pounds of red apples and pounds of green apples to make applesauce. How many pounds of apples did he buy in all? a. Write an expression that models the problem. b. What is the LCD of the fractions in your expression? Explain how you found the LCD. c. Evaluate ...

**Math**

Please help me I am terrible at math, and this is my last class before graduation.. 1. Find the value of X... x/6-x/8=1 2. Find the value of X...x/x-2-x+1/x=8/x^2-2x 3. Find the value of X...5/x+6+2/x^2+7x+6=3/X+1 4.Find the value of X...2/5=x-2/20 find the lowest common ...

**math**

find the lcd of this rational algebraic expression 4/x+2,2/2-x,3/4-x^2 another rational algebraic expression you will also find the lcd 5/y+5,3y/2y+10,2/y+10

**math-Statistics**

I have been working on the Type I error and a Type II error problem but now I can not figure out the Power of the test? A manufacturer of computer monitors receives shipments of LCD panels from a suppliers overseas. It is not cost effective to inspect each LCD panel for ...

**Algebra**

I'm studying for a test so I want to make sure I'm doing these problems right. Numerator (-5a exponent -2) Denominator b3 All to the -1 exponent For a= -4. And b=2 My answer I get is 1/10 is the right ? -16 with -1/2 exponent Would the answer be -4? 2-3 square root of 14 Would...

**algebra 2**

x/x^3+y^3 , x/x+y The LCD is

**math**

what is the lcd for 2/5 and 9/35

**Algebra**

LCD of x/x2+3x , 2x/x2-3x

**math**

WHAT IS THE LCD OF 2, 29 AND 53 ?

**math**

what is the lcd of 1/2 and 2/3

**Math**

LCD 3/4 1/8 7/16 3/32

**math,algebra,help**

can someone show me how to solve this: Simplify 3 --- + 1 x-5 ----------- 4 1 minus ---- x -5 that did n't look right...typo... here it is its a fraction on top of the other so the top is fine.the bottom should read one minus (4)/(x-5) Get least common denominator. For top ...

**math**

the LCD for the Fraction 1/3, 3/4, 5/32, and 8/9 is

**math**

find lcd of 1/3,5/12, 4/5 =37/60?

**Algerbra 2**

1/X +1/x+3=1/2 I don't get LCD/distribution?

**algebra**

whats the lcd of 8/9x+2/3x=1/9x+45

**math**

lcd of 1/125+62/50

**math**

lcd 3/5x^3t, 8/125xt^3

**Algebra 1**

What is 2/7 - 1/4 + 9/14? What is the LCD? And how did you find it?

**Algebra**

lcd of x/14+11x/18=x/20

**Math**

The LCD for the fractions 1/3, 3/4, 5/32, and 8/9 is

**MATH**

find the LCD of -3/4x , 5/x , 7/x^2

**Phsyics**

Can you explain to me how an LCD works?

**Fisher College**

What is 6y/7x^2 in terms of the LCD

**math check**

23/17 < 5/3 Found LCD 69/51 85/51

**math check**

23/17 < 5/3 Found LCD 69/51 85/51

**Ict**

Full form LCD

**algebra2**

Please help me find the lcd (x+6)+(2x-1)

**math**

write the LCD for each pair4/7, 1/8, 11/12

**Math**

Find the LCD of 3/5 and 1/6. 5 6 11 30 I believe it is 30

**Algebra 2**

Find the LCD of 5/18x^2y^3,-3/24x^4y^5

**ALGEBRA**

help me solve 6/z+8 = 5/z-3? do i first find the lcd?

**Math**

3/2y-3/2y+4 = rational expression reduce to lcd

**maths.**

find the lcd of each setof fractions: 1/2, 1/8, 1/16

**Math, HELP!**

Find the LCD: a) (12/55c^6) (4/11c^9) b) (9/4c+12) (5c/5c+10) c) (9x/x^2-4x+4) (5x/x^2-5x+6) d) (7/x) (3/42-7x) (x/x^2-36)

**Consumer Math**

2. Express the fractions 1/2, 3/16, and 7/8 with an LCD. A. 1/4, 3/4, 7/4 B. 1/32, 3/32, 7/32 C. 4/8, 6/8, 14/8 D. 8/16, 3/16, 14/16 A

**Math**

Find the LCD of 3/5 and 1/6. A. 5 B. 6 C. 11 D. 30 I choose D am I right? Thanks

**math,help**

can someone show me these steps with the division like 2 --- 1 which would mean half. the following though. so i can see it. Simplify 3 --- + 1 x-5 ----------- 1 - (4)/(x-5) Get least common denominator. For top part, the LCD is x-5. So the 1 becomes (x-5)/(x-5). Thus the top ...

**alg**

Find the LCD for the following rational expressions. (-3 / x^2 - 2x + 1) (2x / x^2 - 5x + 4) a)( x - 1) (x - 4) b)(x - 1)^3 (x - 4) c)(x - 1) (x + 4) d)(x - 1)^2 (x - 4)

**math**

The LCD for the fractions 1/3, 3/4, 5/32, and 8/9 is A. 24. B. 64. C. 288. D. 3072. can u show me how to do this

**alg**

Find the LCD for the following rational expressions. -3 / x^2 - 2x + 1 2x / x^2 - 5x + 4 a)(x - 1) (x + 4) b)(x - 1)^2 (x - 4) c)(x - 1)^3 (x -4) d)( x - 1) (x - 4)

**algebra**

find the lcd o this rational algebraic expression 3x/x-4,2x/x+4

**math**

please get the lcd of this rational algebraic expression 3x+2,2x/x^2-4,x+1/x^2+5x+6

**Math**

What would the LCD be between x^2, 4x, and 6? Here is the problem: 1/x^2+3/4x-5/6

**Math**

Use the LCD to write the equivalent fractions 1/3 and 1/4 7/8 and 2/3

**math**

4 5/8 + 9 3/5 = need to show how I got answer I know that the Lcd is 40 and then it is 25/40 + 24/40= 49/40 and then I don't know what to do from there

**math, facorinf**

Find the LCD 19/y6-12y5+36y4

**algebra**

7/20x^3y^5,1/30 x^6y^4 find lcd do not combine fractions

**Calculus algebra review**

((1/2+h) -(1/2)) / h found LCD of numerator ((2)-(2+h)/2(2+h))/h is it 1

**Math**

LCD 1.1/2 4/x^2 <<1/2 or 2 2.1/z;3/7z << HELP 3. 3/5;x/x+2 << Help 4. 3m/m+n; 3n/m-n<< Help I need help or equations on how to solve this please

**Math**

LCD 1.1/2 4/x^2 <<1/2 or 2 2.1/z;3/7z << HELP 3. 3/5;x/x+2 << Help 4. 3m/m+n; 3n/m-n<< Help I need help or equations on how to solve this please

**algebra**

when adding or subtracting rational exprssions, why do you need an LCD

**algebra**

find the lcd of the rational expressions 1/35r, (r+3)/10r^2

**Math**

When adding and subtracting rational expressions, why do you need a LCD?

**Pre-Algebra**

USE THE LCD TO DETERMINE WHICH FRACTION IS GREATER. 1/4,2/7

**Algebra LCD**

Lowest common denominator of denominators (3x^4)-27x^2 and (x^3)-3x^2

**MATH (FRACTIONS)**

1/2+3/4....WRITE IN SIMPLIST FORM USE THE LCD

**Math HELP URGENT!**

Find the LCD of the ration expressions: A) [9x/(x^2-z^2)] [3/(x^2-2xz+z^2)] B) [x/(x^2-64)] [2/(40-5x)] [7/x]

**math**

I don't know what terms are suppose to be conbine with each other or find the lcd in this problem. (3b-2)/(b+1)=4-(b+2)/(b-1)

**math**

Which symbol belongs between each pair of numbers? <,>, or = (a)11/23 and 33/65 (b)7/8 and 8/9 (c)-6/7 and -11/33 Hint (LCD)

**Math**

Could anyone help me find the pattern for these fractions? I can't seem to figure it out. Thanks 2/3,3/4,4/5,5/6. The LCD for them is 60.

**algebra**

t/2 + t+3/3t = 1/t I got the lcd of 12t I stuck at the step of solving and i'm not getting t=-4

**MATH**

Find the LCD them make in into similar: -3y 4y^2 ____ , _____ x-1 x^2-1

**math**

Find the least common denominator (LCD) for fractions with the given denominators. 1/3 + 5/12 + 4/5

**math**

Find the least common denominator (LCD) for fractions with the given denominators 13/15 - 11/20=2/5?

**alg**

find the LCD for the following rational expressions. -3 / (x^2 - 2x) + 1 / 2x (x^2 - 5x + 4) a) ( x - 1) (x - 4) b) (x - 1)^3 (x - 40 c) (x - 1) (x + 4) d) (x - 1)^2 (x - 4) did i write it the correct way

**Math**

Solve for y x-2y/5=3(y+2)/4 +3 This is what I did and I don't know if it's right or what to do next. Find the Lcd which is 20. I get: 4x-8y=15y+30=60 I don't know what to do from here. I'm so confused.

**Algebra**

*correction of previous post* Find the LCD of the rational expressions in the list. m-2/m^2+2m , -8/m^2+6m+8

**Subtracting fractions**

Can someone help me subtract factions I don't know how to borrow. 12 1/3 - 7 2/5 LCD=15 So, 1/3 • 5/5 & 7/5 • 3/3 = 5/15 - 21/15 And then I have no idea what to do

**Math - Very urgent.**

Use multiples to find the LCD for each pair of fractions. a) 1/2, 1/3 b) 1/4, 1/5

**Intermediate Algebra**

Am I going in the right track? 8x -1/x + 5x - 3/2x = 16x^2 - 2x/2x^2 + 5x^2 - 3x/2x^2 16x^2 - 2x + 5x^2 - 3x/2x^2 =21x^2 - 5/2x^2 Find the LCD 6/7z- 28, 8/x^2 -4x = 7x(x-4) Simplify 3x^2 - 2x/15x-10 = x/5 Let's start by looking at your first problem: 8x -1/x + 5x - 3/2x To ...

**intermidiate algebra**

converting to LCD 3/4b^-9, 2/2b+3, -5/2b^-3b that sign over the "b"represent 2 I have to work this problem so help me.

**pre-calculas**

find the LCD and solve: x+3 12x + 4 1 - 2x ____ + _________ = _______ 3-x x squared - 9 x + 3

**Math - Very urgent.**

Use prime factors to find the LCD for each pair of fractions. a) 1/4, 1/8 b)1/6, 1/18

**math**

can you answer this as soon as possible please just find the lcd of this rational algebraic expression 3x/x-4,2x/x+4

**Extended mathematics**

In the diagram ,N lies on a side of the square ABCD,AM and LC are perpendicular to DN,prove that ADN=LCD.

**Algebra**

-2/5x - 9 < 9/10 I think I should make everything a fraction and down to the LCD. Then complete the inequality that way?

**Math - Urgent**

I'm sorry I need 1 more question to be asked. Use the LCD to write equivalent fractions. 5/6 , 2/9

**math**

I need to find the sum of 2/5 and 3/4. The LCD is 20 so I did 2x4=8 and 3x5=15. so I got 8/20 + 15/20 = 23/20, but this does not match any of the answers I have to pick from. What am I doing wrong?

**Math**

I need to find the sum of 1/6 and 1/2. I found the LCD to be 2 so I multiplied that by the numerator and got 2/2+2/2=4/2 and simplified that to 1/2. But the answers that I get to choose from are 1/3, 1/4, 2/3 and 3/4. What did I do wrong?

**Physics**

I was just wondering, since cathode ray tubes arent being made, are the only types of TVs available the plasma and the LCD?

**Math impatient now**

Subtract simplify if possible. 5-v/v-8 - 9v-7/8-v I can't do this no matter how I try i cannot figure out what the lcd is. I don't see where either denominator can be factored. WHat am I doing wrong?

**ALGEBRA**

If you are subtracting fractions like 8-y over y-4 MINUS 7y-9 over 4-y... will the LCD be y-4? I'm stuck on this!!

**Algebra**

Simplify by removing the factor of 1 y^2-7y+6/ y^2+8y-9 I need to LCD? y^2 Then I divide the denominator into the numerator? Then I simplify?

**Math**

Fred had 2 1/8 yards of pipe. He cuts 1 3/4 yards for a project. What is the LCD for the fractions in the problem?

**ALGEBRA EXTREMELY NEED HELP**

HOW DO YOU SOLVE (2c/c-4)-2=(4/c+5). WHAT IS THE LCD. HOW DO YOU FIND IT BECAUSE I NEED TO KNOW

**Alg 2**

Find the lcd 14/4(x+1) , 7/4x I don't get it can you please explain step by step?

**Algebra I**

**Match each word or phrase w/ its definition** Word Bank: A) least common multiple (LCM) B) repeating decimal C) reciprocals D) dimensional analysis E) terminating decimal F) least common denominator (LCD) G) multiple ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ GIVEN QUESTIONS W...

**college maths**

Find the LCD and add the fractions. 1/125 + 4/50= 11/24 1/1250 1/35 551/6250 (Points: 5) im not getting the concept of this some help is really needed please