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

  1. 👍 0
  2. 👎 0
  3. 👁 137
asked by Sally
  1. Do it the same way I showed you before.

  2. They said it's prime numbers though?

    1. 👍 0
    2. 👎 0
    posted by Sally
  3. http://www.mathsisfun.com/prime-factorization.html

    4 = 2 * 2

    8 = 2 * 2 * 2

    8 is the LCD

  4. Thank You !

    1. 👍 0
    2. 👎 0
    posted by Sally
  5. You're welcome.

Respond to this Question

First Name

Your Response

Similar Questions

  1. 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

    asked by Angel007 on August 7, 2005
  2. Math - Very urgent.

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

    asked by Sally on September 8, 2014
  3. MATH!

    Finding Common Demoninators in fractions. 1) 2 4 -- - --- x^2-16 x^2+x-12 2) x-3 x+3 ---- + ------ x^2+2x-8 x^2+7x+12 Can ANYONE help me with these. I cant figure out how to get the DEMONINATORS THE SAME!? Use brackets to write

    asked by megan on April 1, 2007
  4. 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

    asked by Helpless on May 23, 2007
  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)?

    asked by Linda on December 11, 2011
  6. 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

    asked by Breighton on September 16, 2013
  7. Math

    find the LCD of the pair of expressions 1. 1/2 ; 4/x^2 4x^2 2x^2 2x** x^2 find the LCD of the pair of expressions 8/5b ; 12/7b^3c 7b^3c 12b^3c^2 35b^3c^2 35b^3c** find the LCD of the pair of expressions 3m/m+n ; 3n/m-n (m+n)(m-n)

    asked by Eggs on May 28, 2019
  8. math please

    what exactly is a prime factor would x-5 x+5 and x2+25 all be prime factors of x4-625? Yes, I believe those would be the prime factors. x^4 - 625 can be factored into (x^2 -25)(x^2 + 25) and once again into (x-5)(x+5)(x^2 + 25)

    asked by anonymous on November 30, 2006
  9. math

    You can use the prime factorization of a number, written as the product of powers of prime numbers, to find the number of factors the number has. First, express the number as a product of powers of prime numbers; for example,

    asked by m on October 15, 2010
  10. math

    i am having trouble on solving fractional equations such as: 2 3 7 ______ + _____ = ______________ x+3 x+4 x^2 +7x+12 factor the right side denominator, then look for what factors make up a common denominator. For each fraction,

    asked by Katherine on March 17, 2007

More Similar Questions