Odpowiedź:
4 i 1/4 - 1 i 3/4 = 3 i 5/4 - 1 i 3/4 = 2 i 2/4
spr 2 i 2/4 + 1 i 3/4 = 3 i 5/4 = 4 i 1/4
2 i 1/2 - 3/4 = 2 i 2/4 - 3/4 = 1 i 6/4 - 3/4 = 1 i 3/4
spr 1 i 3/4 + 3/4 = 1 i 6/4 = 2 i 2/4 = 2 i 1/2
8 i 4/7 - 6 i 6/7 = 7 i 11/7 - 6 i 6/7 = 1 i 5/7
spr 1 i 5/7 + 6 i 6/7 = 7 i 11/7 = 8 i 4/7