Bonjour,
a. 3/5 = 3x7/5x7 = 21/35
b.3/4 = 3x15/4x15 = 45/60
c. 80/100 = 80/20/100/20 = 4/5
d. 49/21 = 49/7/21/7 = 7/3
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Bonjour,
a. 3/5 = 3x7/5x7 = 21/35
b.3/4 = 3x15/4x15 = 45/60
c. 80/100 = 80/20/100/20 = 4/5
d. 49/21 = 49/7/21/7 = 7/3