1) 6/11 4/7 = 24/772) 7/20 10/21 = 1/63) 8/9 27/32 = 9/164) 23/28 49/46 = 17/165) 34/86 43/51 = 731/18466) 7/18 90/77 = 630/13867) 63/64 48/91 = 36/918) 19/100 5/38 = 19/760
1) 6/11 4/7 = 24/77
2) 7/20 10/21 = 1/6
3) 8/9 27/32 = 9/16
4) 23/28 49/46 = 17/16
5) 34/86 43/51 = 731/1846
6) 7/18 90/77 = 630/1386
7) 63/64 48/91 = 36/91
8) 19/100 5/38 = 19/760