8 4\5 + 1 1\3 = 8 12\15 + 1 5\15 = 9 17\15 = 10 2\15
12 5\6 + 4\5 = 12 25\30 + 24\30 = 12 49\30 = 13 19\30
2 3\4 + 1 2\3 = 2 9\12 + 1 8\12 = 3 17\12 = 4 5\12
8 4\5 + 1 1\3 = 8 12\15 + 1 5\15 = 9 17\15 = 10 2\15
12 5\6 + 4\5 = 12 25\30 + 24\30 = 12 49\30 = 13 19\30
2 3\4 + 1 2\3 = 2 9\12 + 1 8\12 = 3 17\12 = 4 5\12