Question

1. oblicz
4/5x2/3
3/4x5
5/6x3
6/7x14
7/8:1/4
4/9:2
8:1/2
1/3:3
2. oblicz
7/12x6/7
1 2/3x5
2 1/5x1 2/11
3 5/24x 1 23/77
3/5:12/10
1 4/9:2/9

Answer 1

4/5·2/3=8/15
3/4·5=3/4·5/1=15/4=3 i 3/4
5/6·3=5/6·3/1=5/2·1/1=5/2=2 i 1/2
6/7·14=6/7·14/1=6/1·2/1=12/1=12
Reszty nie mam czasu robić na razie.