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18-11-2015
Mathematics

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Find the LCM of 12, 15, 18

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18-11-2015

The answer is 180 because
12 = 4*3
15 = 3*5
18 = 2*9
20 = 4* 5

Any common multiple must be a multiple of 4, 9, and 5. Since those three are coprime, the least common multiple is their product: 4*9*5 = 180

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