Simplifying
25/35
5/7
26/25
1 1/25
2/3 + 1/9
7/9
7/11 - 3/11
4/11
4/7 + 3/7
1
10/90
1/9
30/6
5/6
3/4 + 1/8
7/8
9/10 - 4/10
1/2
1/8 + 3/8
1/2
33/77
3/7
13/2
1 2/6 or 1 1/3
3/14
23/50 - 17/50
6/50 or 3/25
3/12 + 7/12
5/6
36/81
4/9
17/5
2 3/5
1/5 + 2/15
1/3
17/20 - 12/20
1/4
23/50 + 17/40
4/5
60/144
5/12
99/22
11 4/22
2/20 + 5/40
9/40
66/120 - 35/120
31/120
66/120 + 35/120
101/120