Bonjour,
a. 12/15 = (4 x 4) / (3 x 5) = 4/5
b. 45/35 = (5 x 9) / (5 x 7) = 9/7
c. 6/14 = (2 x 3) / (2 x 7) = 3/7
d. 90/40 = (10 x 9) / (10 x 4) = 9/4
e. 24/30 = (6 x 4) / (6 x 5) = 4/5.
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Bonjour,
a. 12/15 = (4 x 4) / (3 x 5) = 4/5
b. 45/35 = (5 x 9) / (5 x 7) = 9/7
c. 6/14 = (2 x 3) / (2 x 7) = 3/7
d. 90/40 = (10 x 9) / (10 x 4) = 9/4
e. 24/30 = (6 x 4) / (6 x 5) = 4/5.