Пкaшник 28/32 = 7/8
4/84=1/21
9/72=1/8
16/20=4/5
18/27=2/3
7/84=1/12
32/36=8/9
4/96=1/24
10/14=5/7
12/18=2/3
40/56=5/7

4/90=2/45
8/88=1/11
2/100=1/50
18/20=9/10
90/120=3/4
7/63=1/9
8/56=1/7
24/96=1/4
34/87 - не сокращается
2/8=1/4
8/72=1/9

40/90=4/9
37/74=1/2
20/100=1/5
6/96=1/16
9/18=1/2
29/87 = 1/3
3/30=1/10
7/63=1/9
14/77=2/11
2/96=1/48
21/35=3/5
41/123=1/3