Question

LCM of 2/9, 4/18, 7/15

Answer 1

9 = 3 × 3

18 = 2 × 3 × 3

15 = 3 × 5

LCD = 2 × 3 × 3 × 5 = 90

2/9 = 20/90, 4/18 = 20/90, 7/15 = 42/90