Question

Rename 9/10 and 9/20 using the least common denominator.

Answer 1

18/20 and 9/20

Explanation:

20 is a multiple of 10, so can serve as the common denominator.

9/10 = (9/10)(2/2) = 18/20

The two fractions with a common denominator are 18/20 and 9/20.