11 2/9 + 3 = 14 2/9
3 5/17 + 6 9/17 = 9 14/17
4 4/21 + 16/21 = 4 20/21
14 8/27 - 6 = 8 8/27
6 24/39 - 5 7/39 = 1 17/39
11 15/46 - 11/46 = 11 4/46 = 11 2/23
11 2/9 + 3 = 14 2/9
3 5/17 + 6 9/17 = 9 14/17
4 4/21 + 16/21 = 4 20/21
14 8/27 - 6 = 8 8/27
6 24/39 - 5 7/39 = 1 17/39
11 15/46 - 11/46 = 11 4/46 = 11 2/23