Szczegółowe wyjaśnienie:
2 × 3 2/3= 2/1 × 11/3= 22/3= 7 1/3
1 2/5 × 6= 7/5 × 6/1= 42/5= 8 2/5
3× 3 3/3= 3/1 × 24/7= 72/7 10 2/7
4× 1 1/5= 4/1 × 6/5= 24/5= 4 4/5
2 1/9 × 10= 19/9 × 10/1= 190/9= 21 1/9
3 7/10 × 5 = 3710 × 5/1= 37/2= 18 1/2
3 × 1 5/12= 3/1 × 1712 = 17/4 = 4 1/4
8 × 2 512= 8/1 × 29/12 = 58/3= 19 1/3
