Odpowiedź:
3/4* 1/8 = 3/32
3/4* 3/10 = 9/40
3/4* 1 2/3 = 3/4* 5/3 = 5/4 = 1 1/4
3/4* 5 4/7 = 3/4* 39/7 = 117/28
6/7* 7/8 = 6/8
6/7* 5/12 = 5/14
6/7* 2 2/3 = 6/7* 8/3 = 16/7
6/7* 6 5/7 = 6/7* 47/7 = 282/49
1 2/5* 5/3 = 7/5* 5/3 = 7/3
1 2/5* 4/7 = 7/5* 4/7 = 4/5
1 2/5* 1 3/7 = 7/5* 9/7 = 9/5
1 2/5* 5 5/12 = 7/5* 65/12 = 7/1 * 13/12 = 91/12