To find the LCM, just keep multiplying until you find the answer
3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36
12, 24, 36
18, 36
36
12
The LCM is: 57
It is: 120
15
63
30
12
63
It is 12
12/18 = 2/3
The Least Common Multiple (LCM) for12 9is36
The LCM is 12.