Răspuns:
a. 3/3
b.10/5
c.15/69
d.21/42
E. 14/3-4/3=10/3
f.41/6-20/6=21/6
g. 116/15-31/15=85/15
h.190/20-187/20=3/20
i.29/6-7/6=2/6
j.35/9-29/9=6/9
k.816/15-31/15=785/15
l. 39/4-35/4=4/4
