4/6 = 2/3
60/180 = 30/90 = 15/45 =5/15 = 1/3
8/12 = 2/3
60/90 = 2/3
10/12 = 5/6
54/81 = 2/3
57/76 = 3/4
6/9 = 2/3
25/100 = 1/4
10/15 = 2/3
30/45 = 2/3
45/54 = 5/6
85/100 = 17/20
15/30 = 1/2
40/160 = 1/4
60/180 = 1/3
20/25 = 4/5
13/26 = 1/2
45/81 = 5/9
5/10 = 1/2
25/75 = 1/3
4/6 = 2/3
60/180 = 30/90 = 15/45 =5/15 = 1/3
8/12 = 2/3
60/90 = 2/3
10/12 = 5/6
54/81 = 2/3
57/76 = 3/4
6/9 = 2/3
25/100 = 1/4
10/15 = 2/3
25/100 = 1/4
30/45 = 2/3
45/54 = 5/6
85/100 = 17/20
15/30 = 1/2
40/160 = 1/4
4/6 = 2/3
60/180 = 1/3
20/25 = 4/5
13/26 = 1/2
45/81 = 5/9
5/10 = 1/2
25/75 = 1/3