Verified answer

Bonsoir;

3/4*7/5 = 21/20

9/5*11/6 = 99/30 = 33/10

15/8 *1/6 = 15/48 = 5/16

8/7* 1/12 = 8/84 = 4/42 = 2/21

bonsoir

a. 3/4 x 7/5 = 21/20

b. 9/5 x 11/6 = 99/30 = 33/10

c. 8/7 x 1/12 = 8/ 84 = 2 /21