Question

What is the least common multiple of
16, 20, and 50

Answer 1

400

Explanation:

I used the cake/ladder method. The screen shot below shows the cake/ladder method for this problem.

The last part not shown in the photo, is that you have to multiply the highlighted part: 2 × 2 × 5 × 4 × 1 × 5 = 400

I hope this helps!

Answer 2

400

Explanation:

The least common multiple (LCM) of two or more non-zero whole numbers is the smallest whole number that is divisible by each of those numbers. In other words, the LCM is the smallest number that all of the numbers divide into evenly.