Question

What’s the least common denominator (LCD) for each group of numbers?

A. 1/6 and 7/8

B. 3/4 and 7/10

C. 7/12, 3/8 and 11/36

D. 8/15, 11/30 and 3/5

Answer 1

A= 24
B= 20
C= 36
D= 30