Multiplying
1/2 x 2/3
2/6
2/5 x 7/9
14/45
1/2 / 3/4
4/6
4/5 / 7/3
12/35
3/5 x 2/4
6/20
2/7 x 3/8
6/56
2/4 / 5/6
12/20
5/7 / 2/1
5/14
1/2 x 1/2
1/4
4/9 x 7/8
28/72
2/5 / 3/8
16/15
3/6 / 8/1
3/48
5/9 x 3/5
15/45
3/7 x 2/8
6/56
3/4 / 2/6
18/8
7/9 / 4/5
35/36
2/6 x 3/5
6/30
5/9 x 10/11
50/99
4/1 / 1/4
16/1
4/9 / 12/8
32/108