Factor them.
2 x 2 x 3 = 12
3 x 5 = 15
Combine the factors, eliminating duplicates.
2 x 2 x 3 x 5 = 60, the LCM
LCM=60
It is: 120
60
The LCM is 30. The GCF is 4.
60 10 = 2x5 12 = 2x2x3 15 = 3x5 Thus LCM is 2x2x3x5 = 60
The LCM is 60.
195
90 :)
390
120
The LCM of 9 and 15
The LCM is: 25,935