Question

2/5: 3/4 3/7:2/5 6/11:3/11 13/5:26/15
Помогите плиз

Answer 1

2/5:3/4=2/5*4/3=8/15
3/7:2/5=3/7*5/2=15/14=1 1/14
6/11:3/11=6/11*11/3=2
13/5:26/15=13/5*15/26=3/2=1,5