Question

Which of the following is a true statement?

9/12 • 12/9 = 0

3/10 ÷ 7/9 = 3/10 • 9/7

4/5 • 4/5 = 1

1/2 ÷ 1/2 = 1/4

Answer 1

3/10 ÷ 7/9 = 3/10 * 9/7

Explanation:

Evaluate both sides you get 27/70 = 27/70

3/10 * 9/7 = 27/70

3/10 * 9/7 = 27/70

Answer 2

3/10 ÷ 7/9 = 3/10 • 9/7

Explanation:

KCF for division.

7/9= 9/7

÷=x