How do you show work for the lcm of 6 and 12?

Answer 1

There's not really any work to be shown. Since 12 is a multiple of 6, it's automatically the LCM of this problem. If your teacher insists, show him or her a prime factorization.

2 x 3 = 6

2 x 2 x 3 = 12

2 x 2 x 3 = 12, the LCM