obviously, it's 30 ...
The LCM is: 45
The LCM is 30. The GCF is 4.
The LCM is 60.
390
120
195
90 :)
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
The LCM is: 25,935
The LCM of 9 and 15
LCM=60