Workkeys Math Practice Test

Question: 1 / 400

What is the least common multiple (LCM) of 4 and 6?

6

8

10

12

To find the least common multiple (LCM) of 4 and 6, we start by identifying the multiples of each number.

The multiples of 4 are:

4, 8, 12, 16, ...

The multiples of 6 are:

6, 12, 18, 24, ...

The LCM is the smallest multiple that appears in both lists. Looking at the multiples, we can see that 12 is the first number that is common to both lists. Therefore, the least common multiple of 4 and 6 is indeed 12.

The LCM is important because it represents the smallest amount that two or more numbers can divide into evenly, which is particularly useful in problems involving fractions, ratios, and finding common denominators.

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