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Least common multiple of 18 and 15 is 90.
18 = 2 x 3 x 3; 15 = 3 x 5. There is a common factor of 3 so ignore one occurence of this figure when multiplying out: LCM = (2 x 3 x 3) x 5 = 90.

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The LCM of 15 and 18 is 90
90

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7y ago
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90 is.

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12y ago
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Q: What is the least common multiple of 15 and 18?
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