Question

-7/9+5/6=
4/5-8/3=
-7/5+2/8

Answer 1

1)-7/9+5/6=-14/18+15/18=1/18
2)4/5-8/3=12/15-40/15=-28/15= -1 13/15
3)-7/5+2/8=-56/40+10/40=-16/40=-2/5