Odpowiedź:
1/2 : 3/4 = 1/2 * 4/3 = 2/3
4/5 : 6/7 = 4/5 * 7/6 = 14/15
5/8 : 3/10 = 5/8 * 10/3 = 25/12 = 2 i 1/12
5/7 : 1 i 2/5 = 5/7 : 7/5 = 5/7 * 5/7 = 25/49
2/5 : 4/9 = 2/5 * 9/4 = 9/10
3/4 : 1/8 = 3/4 * 8 = 24/8 = 3
1 i 2/9 : 1 i 5/6 = 11/9 : 11/6 = 11/9 * 6/11 = 2/3
4 i 2/3 : 4 i 1/3 = 14/3 : 13/3 = 14/3 * 3/13 = 14/13 = 1 i 1/13
3 i 1/8 : 3 i 3/4 = 25/8 : 15/4 = 25/8 * 4/15 = 5/6
1 i 1/2 : 1 i 1/5 = 3/2 : 6/5 = 3/2 * 5/6 = 5/4 = 1 i 1/4
1 i 2/3 : 1 i 1/9 = 5/3 : 10/9 = 5/3 * 9/10 = 3/2 = 1 i 1/2
2 i 3/4 : 2 i 1/5 = 11/4 : 11/5 = 11/4 * 5/11 = 5/4 = 1 i 1/4
