1/4+1/8
2/3-1/6
3/7+5/14
2/5-2/15
7/8-9/16
1/32+1/4
2/9+7/9
3/4-9/16
25/32-3/8
3/5+13/15
23/25+1/5
21/25-1/5
3/14+2/7
2/3+1/9
5/7-3/14
7/9+1/18
19/21+3/7
23/35-1/5
3/4+1/16
3/8-1/16
5/9+4/9
8/17-7/17
1/4+1/8
2/3-1/6
3/7+5/14
2/5-2/15
7/8-9/16
1/32+1/4
2/9+7/9
3/4-9/16
25/32-3/8
3/5+13/15
23/25+1/5
21/25-1/5
3/14+2/7
2/3+1/9
5/7-3/14
7/9+1/18
19/21+3/7
23/35-1/5
3/4+1/16
3/8-1/16
5/9+4/9
8/17-7/17