6 2/15 = (6 15 + 2)/15 = 92/157 3/18 = (7 18 + 3)/18 = 129/184 5/39 = (4 39 + 5)/39 = 161/395 8/13 = (5 13 + 8)/13 = 73/136 9/11 = (6 11 + 9)/11 = 75/118 4/25 = (8 25 + 4)/25 = 204/259 7/20 = (9 20 + 7)/20 = 187/2012 3/11 = (12 11 + 3)/11 = 135/11
6 2/15 = (6 15 + 2)/15 = 92/15
7 3/18 = (7 18 + 3)/18 = 129/18
4 5/39 = (4 39 + 5)/39 = 161/39
5 8/13 = (5 13 + 8)/13 = 73/13
6 9/11 = (6 11 + 9)/11 = 75/11
8 4/25 = (8 25 + 4)/25 = 204/25
9 7/20 = (9 20 + 7)/20 = 187/20
12 3/11 = (12 11 + 3)/11 = 135/11