2/3 =
1/2
8/12
1/5
9/12
5/20 =
1/4
3/5
3/24 =
1/9
1/8
6/21 =
3/4
3/7
2/7
1/11 =
4/44
3/8
7/78
3/5 =
4/7
6/10
2/9
15/30
8/9 =
33/77
6/9
72/81
25/30 =
5/6
2/6
6/8
8/36 =
20/48 =
5/12