Odpowiedź:
3 i 2/15 + 4 i 14/15 = 3 i 6/15 + 4 i 14/15 = 7 i 20/15 = 8 i 5/15 = 8 i 1/3
5 i 1/15 + 2 i 11/15 = 7 i 12/15 = 7 i 4/5
2 i 7/12 + 4 i 9/12 = 6 i 16/12 = 7 i 4/12 = 7 i 1/3
6 i 5/12 + 11/12 = 6 i 16/12 = 7 i 4/12 = 7 i 1/3
8 i 1/3 > 7 i 4/5 > 7 i 1/3 = 7 i 1/3
