1
10/40
1/4
15/25
3/5
12/15
4/5
6/27
2/9
60/200
3/5
20/30
2/3
55/60
11/12
126/144
63/72 = 7/8
42/72
7/12
12/36
1/3
28/36
7/9
78/88
39/44
108/144
3/4
26/28
13/14
54/63
2/3
450/150
3
52/13
4
70/10
7
121/88
11/8
1020/6000
102/600 = 51/300