A. 3/8 divided by 13/16

B. 1/2 divided by 1/4

C. 2/5 divided by 14/15

D. 4/9 divided by 16/27

Remember, when dividing by fractions, invert an multiply

(a/b) / (c/d) = (a/b) (d/c) = (ad) / (bc)

A. (3/8) / (13/16) = (3/8) (16/13) = 48/104=6/13

B. (1/2) / (1/4) = (1/2) (4/1) = 4/2=2/1=2

C. (2/5) / (14/15) = (2/5) (15/14) = 30/70=3/7

D. (4/9) / (16/27) = (4/9) (27/16) = 108/144=3/4