L.C.M Questions Part 1

Find the L.C.M of the following

1)      6, 9, 12

2)      8, 9, 12

3)      10, 24, 30

4)      6, 9, 30

5)      12, 8, 10

6)      20, 16, 18

7)      18, 10, 12, 15

8)      8, 5, 6, 9

9)      16, 10, 15

10)   6, 16, 10, 12