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Anonymous
15 is a factor of 90 so their LCM is 90.
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The LCM is 90.
The LCM is: 90It is 90 because 6*15 = 90, 2*45 = 90 and 1*90 = 90
The LCM is 900.
since 15 = 3x5, 6 = 2x3, 9 = 3x3 answer = 2x3x3x5 = 90