Odpowiedź:
2/3 liczby 30 = 2/3 * 30 = 60/3 = 20
3/4 liczby 16 = 3/4 * 16 = 48/4 = 12
1/3 liczby 9 = 1/3 * 9 = 9/3 = 3
3/7 liczby 28 = 3/7 * 28 = 84/7 = 12
7/15 liczby 10 = 7/15 * 10 = 70/15 = 4 i 10/15 = 4 i 2/3
5/14 liczby 21 = 5/14 * 21 = 105/14 = 7,5
7/8 liczby 16 = 7/8 * 16 = 112/8 = 14
3/4 liczby 20 = 3/4 * 20 = 60/4 = 15
2/10 liczby 15 = 2/10 * 15 = 30/10 = 3