7 + 2/3 =
1 - 2/3 =
9/5 -4 =
8 - 1/3 =
9- 7/2=
1/2 + 3/4 + 1/5 =
6/5 - 2=
1/3
23/3
- 4/5
- 11/ 5
11/2
23 /3
29/20
