Odpowiedź:
5/12 : 3 = 5/12 * 1/3 = 5/36
31/33 : 7/8 = 31/33 * 8/7 = 248/231 = 1 i 17/231
2 i 3/14 : 1 i 10/21 = 31/14 : 31/21 = 31/14 * 21/31 = 3/2 = 1 i 1/2
4 i 5/6 : 6 = 29/6 * 1/6 = 29/36
7 i 1/2 : 1/2 = 15/2 * 2/1 = 15
7/9 : 28/45 = 7/9 * 45/28 = 5/4 = 1 i 1/4
