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The LCM is 18.
The LCM of 18 and 9 is 18.
18 is the LCM of 6, 9 and 18
lcm(18, 9, 3) = 18.
LCM of 15 9 and 18 is 90. The LCM of 9, 15 and 18 is 90.
The LCM is 126.
The LCM is: 18