Bonjour
18)
a. 6/9 = (3 x 2) / (3 x 3) = 2/3
b. 8/14 = (2 x 4) / (2 x 7) = 4/7
c. 25/15 = (5 x 5) / (5 x 3) = 5/3
d. 16/12 = (4 x 4) / (4 x 3) = 4/3
19)
a. 21/14 = (7 x 3) / (7 x 2) = 3/2
b. 12/27 = (3 x 4) / (3 x 9) = 4/9
c. 36/42 = (6 x 6) / (6 x 7) = 6/7
d. 30/35 = (5 x 6) / (5 x 7) = 6/7.
