27-09-2017
Mathematics

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Find the LCD of the following list of fractions. 5/21, 10/14,2/4

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magistercollege magistercollege

27-09-2017

Like the other two problems: first, prime factor, then collect factors which appear the most from the lists:

21 = 3 x 7
14 = 2 x 7
4 = 2 x 2

2 x 2 x 3 x 7 = 84

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