3/8 + 1/6 = 9/24 + 4/24 = 13/24
4 5/12 + 2 3/4 = 4 5/12 + 11/4 = 4 5/12 + 33/12 = 4 38/12 = 7 2/12 = 7 1/6
7/16 - 5/12 = 21/48 - 20/48 = 1/48
1 - 9/16 = 16/16 - 9/16 = 7/16
6 - 3 7/11 = 5 11/11 - 3 7/11 = 2 4/11
5 1/6 -2 4/9 = 31/6 - 22/ 9 = 93/18 - 44/18 = 49/18 = 2 13/18