Odpowiedź :
Odpowiedź:
3/4 : 1/7 = 3/4 * 7/1 = 21/4 = 5 i 1/4
7/9 : 7/9 = 7/9 * 9/7 = 1
4/15 : 8/9 = 4/15 * 9/8 = 3/10
5 i 5/6 : 2 i 1/3 = 35/6 : 7/3 = 35/6 * 3/7 = 5/2 = 2 i 1/2
2 i 2/3 : 3 i 1/5 = 8/3 : 16/5 = 8/3 * 5/16 = 5/6
4 i 3/8 : 5/8 = 35/8 * 8/5 = 7