1/3 + 1/8 = 8/24 + 3/24 = 11/242/15 + 5/12 = 8/60 + 25/60 = 33/60 = 11/207/64 + 1/20 = 35/320 + 16/320 = 51/3205/42 + 2/3 = 15/126 + 84/126 = 99/126 = 11/144/9 - 1/6 = 8/18 - 3/18 = 5/185/6 - 5/12 = 10/12 - 5/12 = 5/127/10 - 8/15 = 21/30 - 16/30 = 5/30 = 1/616/45 - 2/15 = 32/90 - 12/90 = 20/90 = 2/9
1/3 + 1/8 = 8/24 + 3/24 = 11/24
2/15 + 5/12 = 8/60 + 25/60 = 33/60 = 11/20
7/64 + 1/20 = 35/320 + 16/320 = 51/320
5/42 + 2/3 = 15/126 + 84/126 = 99/126 = 11/14
4/9 - 1/6 = 8/18 - 3/18 = 5/18
5/6 - 5/12 = 10/12 - 5/12 = 5/12
7/10 - 8/15 = 21/30 - 16/30 = 5/30 = 1/6
16/45 - 2/15 = 32/90 - 12/90 = 20/90 = 2/9