5/7 . 7/5 =
5/3 . 6/11 =
3/4 . 10/15 =
2/5 . 3/4 =
12/5 . 5/18 =
1/2 . 1/3 =
3/2 . 4/9 =
2/3 . 1/5=
10/3 . 3/5 =
15/8 . 2/3 =
5/4
3/10
2/3
1/2
2/15
1/6
1
10/11
2
