Odpowiedź:
1/4 + 3/4 < 2/4 + 3/4
4/4 = 1 5/4 = 1 i 1/4
4/10 + 7/10 < 8/10 + 5/10
11/10 = 1 i 1/10 13/10 = 1 i 3/10
1/5 + 4/5 > 2/5 + 2/5
5/5 = 1 4/5
3/8 + 6/8 < 5/8 + 5/8
9/8 = 1 i 1/8 10/8 = 1 i 2/8
2/6 + 4/6 = 3/6 + 3/6
6/6 = 1 6/6 = 1
6/12 + 6/12 = 3/12 + 9/12
12/12 = 1 12/12 = 1