16/5 - 3/5 =
5/3 + 10/9 =
10/3 + 7/6 =
13/12 - 1/2 =
11/12 - 1/6 =
11/3 + 16/9 =
8/3 + 7/6 =
17/10 + 14/5 =
23/6
9/2
7/12
25/9
13/5
3/4
49/9