31/80+(3/16+39/80)= 2/45+(3/45+7/9)= (3/7+5/14)+1/14= 7/15+(2/15+1/5)= 3/16+(1/16+5/8)=...

Question

31/80+(3/16+39/80)=
2/45+(3/45+7/9)=
(3/7+5/14)+1/14=
7/15+(2/15+1/5)=
3/16+(1/16+5/8)=
(1/13+1/14)+12/13=
Помогите решить пожалуйста

Answer 1

1целая, 5 /80
5/9
6/7
4/5
7/8
1целая, 13/182