Răspuns:
Explicație pas cu pas:
1/7=7\1
2/3=3/2
3=1/3
6/5=5/6
5/2=2/5 (2 1/2=2·2+1/2=5/2)
4 2/3=3·4+2=12/2=2/12
5=1/5
2/7=7/2
10/3=3/10
1 1/4=1·4+1=5/4=4/5
2 1/7=2·7+1/7=15/7=7/15
