What is the least number that is divisible by both 12 and 15?

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Question: What is the least number that is divisible by both 12 and 15?

Options:

Correct Answer: 60

Solution:

The least common multiple (LCM) of 12 and 15 is 60.

What is the least number that is divisible by both 12 and 15?

What is the least number that is divisible by both 12 and 15?

Step 1: Identify the two numbers you want to find the least common multiple (LCM) for, which are 12 and 15.
Step 2: List the multiples of 12: 12, 24, 36, 48, 60, 72, ...
Step 3: List the multiples of 15: 15, 30, 45, 60, 75, ...
Step 4: Look for the smallest number that appears in both lists of multiples. The smallest number is 60.
Step 5: Therefore, the least number that is divisible by both 12 and 15 is 60.

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