Odpowiedź:
3/4 * 1/5 = 3/20
6/8 * 1/4 = 6/32 = 3/16
5/8 * 1 i 1/3 = 5/8 * 4/3 = 5/6
4/12 * 3 i 1/2 = 4/12 * 7/2 = 14/12 = 1 i 2/12 = 1 i 1/6
2 i 3/5 * 1 i 3/7 = 13/5 * 10/7 = 26/7 = 3 i 5/7
1 i 3/4 * 2 i 2/3 = 7/4 * 8/3 = 14/3 = 4 i 2/3
1 i 5/6 * 2 i 4/7 = 11/6 * 18/7 = 33/7 = 4 i 5/7
2 i 1/2 * 3 i 2/8 = 5/2 * 26/8 = 65/8 = 8 i 1/8