Question

what is the least common multiple of 3 and 9?

Explanation:

Step1: List multiples of 3

Multiples of 3: $3, 6, 9, 12, 15, ...$

Step2: List multiples of 9

Multiples of 9: $9, 18, 27, 36, ...$

Step3: Find smallest shared multiple

Identify the first common number in both lists.

Answer:

9