savannahhill680 savannahhill680

29-03-2018
Mathematics

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What is the Lcm of 42 and 54

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kkaasshh kkaasshh

29-03-2018

The LCM of 42 and 54 is 378.

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Аноним Аноним

29-03-2018

42 = 2 x 3 x 7
54 = 2 x 3 x 3 x 3 = 2 x 3³

42 = 2 x 3 x 7
52 = 2 x 3³
LCM = 2 x 3³ x 7 = 378

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Answer: The LCM is 378.
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Check:
378 ÷ 42 = 9
378 ÷ 54 = 7

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