Question

Match the two numbers with their least common multiple (LCM).

8 and 4 = [?] (what it says) 8, 40, 24

8 and 4 = [?] (what it says) 8, 40, 24

8 and 10 = [?] (what it says) 8, 40, 24

Answer 1

8 and 4 = 8

8 and 10 = 40

Explanation:

The least common multiple is the smallest value that both numbers equal when you look at their multiples.

The multiples of 8 are 8, 16, 24, 32, 40...

The multiples of 4 are 4, 8, 12, 16, 20, 24, 28, 32...

The multiples of 10 are 10, 20, 30, 40...

The first multiple 8 and 4 have in common is 8.

The first multiple 8 and 10 have in common is 40.