Odpowiedź:
2 i 1/5 - 1 i 1/2 = 2 i 2/10 - 1 i 5/10 = 1 i 12/10 - 1 i 5/10 = 7/10
5 i 3/8 - 2 i 5/6 = 5 i 9/24 - 2 i 20/24 = 4 i 33/24 - 2 i 20/24 = 2 i 13/24
3 i 1/2 - 2 i 3/4 = 3 i 2/4 - 2 i 3/4 = 2 i 6/4 - 2 i 3/4 = 3/4
1 i 2/3 - 5/6 = 1 i 4/6 - 5/6 = 10/6 - 5/6 = 5/6
3 i 1/4 - 1 i 2/3 = 3 i 3/12 - 1 i 8/12 = 2 i 15/12 - 1 i 8/12 = 1 i 7/12
2 i 1/2 - 1 i 2/3 = 2 i 3/6 - 1 i 4/6 = 1 i 9/6 - 1 i 4/6 = 5/6
3 i 1/4 - 1 i 5/6 = 3 i 3/12 - 1 i 10/12 = 2 i 15/12 - 1 i 10/12 = 1 i 5/12
4 i 1/5 - 3 i 7/10 = 4 i 2/10 - 3 i 7/10 = 3 i 12/10 - 3 i 7/10 = 5/10 = 1/2
