Question

what is the LCM of 9,12 and 18​

Answer 1

see this attachment

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Answer 2

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Factors of 9 = 3 × 3

Factors of 12 = 3 × 4

Factors of 18 = 2 × 3 × 3

LCM of 9,12,18 = 2 × 2 × 3 × 3

=> 36