Answer:
72
Step-by-step explanation:
LCM of 12, 18 and 24 by Listing Method
List the first few multiples of 12, 18 and 24 and find the common multiples.
Multiples of 12: 12, 24, 36, 48, 60, 72, 84, 96
Multiples of 18: 18, 36, 54, 72, 90, 108
Multiples of 24: 24, 48, 72, 96 and 120
Observe that 72 is the smallest common factor of 12, 18 and 24. So, LCM of 12, 18 and 24 is 72
