Odpowiedź:
5/7 : 3 = 5/7 * 1/3 = 5/21
6 : 2 i 1/5 = 6 : 11/5 = 1/6 * 5/11 = 5/66
7 i 1/6 : 9 = 43/6 * 1/9 = 43/54
2/3 : 3/5 = 2/3 * 5/3 = 10/9 = 1 i 1/9
3 i 3/7 : 5/8 = 24/7 * 8/5 = 192/35 = 5 i 17/35
1 i 3/4 : 1 i 3/5 = 7/4 : 8/5 = 7/4 * 5/8 = 35/32 = 1 i 3/32
