Answer: LCM is 12
Step-by-step explanation:
Multiples of 12: 12, 24, 36, 48, 60, 72, etc. Multiples of 24: 24, 48, 72, 96, 120, 144, etc. The least multiple on the two lists that they have in common is the LCM of 12 and 24. Therefore, the LCM of 12 and 24 is 24.