Question

What is the lcm of 4 and 5

Answer 1

20

Explanation:

4 * 1 = 4 5 * 1 = 5

4 * 2 = 8 5 * 2 = 10

4* 3 = 12 5 * 3 = 15

4 * 4 = 16 5 * 4 = 20

4 * 5 = 20

they both go into 20 equally. there is no number lower than 20 that they both go into