Răspuns:
a)9/4:6/8=9/4×8/6=9×8/4×6=3
b)21/4:7/2=21/4×2/7=3×1/2=3/2
c)7/2:14/6=7/2×6/14=3/2
d)4/9:4/3=4/9×3/4=1/3
e)11/7:11/2=11/7×2/11=2/7
f)13/4:13/9=13/4×9/13=9/4
