Помогите!!!!!!!!!!!!!!!!?!!!!!

Question

Помогите!!!!!!!!!!!!!!!!?!!!!!

---

Answer 1

1)8/25+17/20=32/100+85/100=117/100
2)4/45-1/30=8/90-3/90=5/90
3)34/36-33/36=1/36
4)44/60+25/60=69/60
5)2/6+1/6=3/6=1/2
6)15/20-8/20=7/20