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23 July, 21:30

What is the LCD of 2/3, 4/5, and 7/10?

A. 30

B. 18

C. 15

D. 10

+3
Answers (2)
  1. 23 July, 21:37
    0
    2/3 = 20/30

    4/5 = 24/30

    7/10 = 21/30

    So, the answer would be 30.

    Answer: 30
  2. 23 July, 21:45
    0
    The Prime Factorization of 3,5,10 is:

    3 = 1 x 3

    5 = 1 x 5

    10 = 2 x 5

    Lets Multiply it:

    We already have a 5, so we can only use one of the fives.

    1 x 1 x 2 x 3 x 5 = 30

    the answer is 30
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