Question

Whats the least common denominator of 9, 13, and 20

Answer 1

13 = 13

20 = 2^2 • 5

9 = 32

Prime Factor Number 13 Number 20 Number 9 L.C.M

2 0 2 0 2

3 0 0 2 2

5 0 1 0 1

13 1 0 0 1