Răspuns:
a)16×3/40=4×3/10=6/5
b)14×5/84=7×5/42=5/6
c)2/21×7/5=2/15
d)12/11×15/36=15/33=5/11
e)14/27×9/16=14/3×16=7/24
f)11/65×13/33=13/65×31/15
g)42/35×25/36=21×5/7×18=15/18
h)24/35×14/64=6×7/35×8=3/20
