Ajutor vaa roggggggggg

Răspuns:
a)2/2-1/2=1/2
b)4/5-3/5=1/5
c)3/6-2/6=1/6
d)7/9-5/9=2/9
e)5/6-4/6=1/6
f)4/8-3/8=1/8
g)1/2+1/2=2/2
h)3/5+1/5=4/5
i)7/8-6/8+1/8=2/8