Odpowiedź:
6 -2 5/9 = 5 9/9 - 2 5/9 = 3 4/9
7 - 3 1/10 = 6 10/10 - 3 1/10 = 3 9/10
4 - 1 3/4 = 3 4/4 - 1 3/4 = 2 1/4
5 - 2 4/7 = 4 7/7 - 2 4/7 = 2 3/7
