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Question
Find out the LCM of the following number:
9, 15
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Solution
Multiples of 9: 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99,...
Multiples of 15: 15, 30, 45, 60, 75, 90,...
Common multiples of 9 and 15: 45, 90,...
∴ LCM of 9 and 15 = 45
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