Math

posted by .

How do the GCF, divisibility and LCM connect to fractions

  • Math -

    lets say you're doing addition

    1/5 + 1/2

    you can't add them directly until you find the common denominator. You can use LCM(lowest common multiple)
    for these it is ten.

    so

    2/10 + 5/10 = your anwer

  • Math -

    Thank you, Angel

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. math, algebra

    Can someone check this for me : Find the gcf for each of the following groups of numbers: 36,64, and 180 My answer: gcf=4 Find the lcm for each of the following groups of numbers which ever method you wish:8,15, and 20 My answer: Lcm=1 …
  2. math,algebra,bobpursley

    Let me know if this is correct now: (1)Finding the lcm using which ever method for:5,15 , and 20 8:2x2x2x3x5x5 15:2x2x2x3x5x5 20:2x2x2x3x5x5 --------------- LCM:2x2x2x3x5x5 After simplification LCM:120 (2)Find the GCF for each of the …
  3. math , algebra

    Let me know if this is correct : (1)Finding the lcm using which ever method for:5,15 , and 20 8:2x2x2x3x5x5 15:2x2x2x3x5x5 20:2x2x2x3x5x5 --------------- LCM:2x2x2x3x5x5 After simplification LCM:120 (2)Find the GCF for each of the …
  4. algebra

    LCM of 4 and 20 is 2 or 4. Which one? GCF for 11 and 31 is 1?
  5. math 156

    Post your response to the following: How are the concepts of the Greatest Common Factors (GCF), divisibility, and Lowest Common Multiple (LCM) used when computing fractions?
  6. MATH

    Given the GCF or LCM, what else do you know about each pair of numbers?
  7. Math

    I am 55, my motherlaw is 70, my friend is 40. How do I figure out the LCM and the GCF. My home assignment is listed as= List the ages of two people in your life, one older than you and one younger than you. It would be best if the …
  8. math

    How do the ideas of divisibility and multiples relate to the study of fractions?
  9. Math

    Find the LCM and GCF of the following numbers: 1) 2016 and 756 2) 10140 and 705551 3) 17 664 and 288 4) 3960, 150 and 495 I believe the answers are: 1) LCM = 6048 GCF = 252 2) LCM = 7 154 287 140 GCF = 1 3) LCM = 52 992 GCF = 2208 …
  10. math double check please

    GCF and LCM of 252, 420, and 180 252: 2,2,3,3,7 420: 2,2,3,5,7 180: 2,2,3,3,5 GCF is 12 and I think LCM is 1260?

More Similar Questions