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