Răspuns:
a)7/3-4/3=1
b)17/5-7/5=2
c)17/60-2/60=1/4
e)4 2/3-1 1/3= 3 1/3
f)4 5/9-2 2/9=2 1/3
g)7 10/15-2 1/15=5 2/3
i)4 5/6-1 1/6 =14/3
j)3 8/9-2 2/9 =1 2/3
k)7 10/15-2 1/15 = 5 1/3
