Lowest common denominator

Lowest common denominator of 1/12, 1/18, 1/21, and 1/27
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2 Answers

FRAKSHUNS...LCM(12, 18, 21, 27)=756
by
First find the LCM for the denominators and the LCM for the denominators will be

LCM (12,18,21,27) = 2 x 3 x 3 x 2 x 1 x 7 x 3 = 756
by Level 2 User (1.1k points)

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