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Anonymous
The LCM is 180.
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LCM(3, 9, 20) = 180
The LCM of 3 and 9 is 9.3-3,6,9,12,159-9,18,27,36
LCM for 3 and 9 is 9.
Least Common Multiple (LCM) for 4 9 20 is 180.
Gcf=3, lcm=9
The LCM is 63.