What is the lcm of 12 and 9?

The LCM (Least Common Multiple) of 12 and 9 is 36.

To find the LCM, we can list the multiples of each number and find the smallest multiple they have in common.

For 12, the first few multiples are: 12, 24, 36, 48, 60...

For 9, the first few multiples are: 9, 18, 27, 36, 45...

We see that the smallest multiple they have in common is 36, so that is the LCM.