36/54 (:6)
7/3 (×6)
9/8 (×11)
28/49 (:7)
24/50 (:2)
7/9 (×3)
2/5 (×9)
35/25 (:5)
27/15 (:3)
5/8 (×5)
6/9
42/18
4/7
9/5
25/40
21/27
7/5
12/25
18/45
99/88
