2 3/7 = 17/7
6 9/16 = 105/16
4 17/18 = 89/18
4 5/11 + 1 6/11 = (44+17)/11 = 61/11
9 11/15 + 5 8/15 = (135+88)/15 = 223/15
12 - 7/8 = 95/8
11 - 3 5/12 = 133/12
8 7/15 - 3 11/15 = (120-71)/15 = 49/15
2 3/7 = 17/7
6 9/16 = 105/16
4 17/18 = 89/18
4 5/11 + 1 6/11 = (44+17)/11 = 61/11
9 11/15 + 5 8/15 = (135+88)/15 = 223/15
12 - 7/8 = 95/8
11 - 3 5/12 = 133/12
8 7/15 - 3 11/15 = (120-71)/15 = 49/15