1/2 * 3/4=
3/4 : 5/7=
3/5 : 7/6 =
4/3 * 2/9 =
1/2 * 2/3 * 1/5=
3/4 * 5/2=
4/6 : 7/3 =
5/8 * 1/7=
2/4 : 1/2=
2/7 * 4/5 =
2/3 : 5/4 =
3/2 : 5/2=
8/15
18/35
3/5
8/27
8/35
21/20
3/8
1/1
1/15
5/56
15/8
2/7
