2. 2/5:(1. 11/15-3. 2/5)=
2 2/5:(1 11/15-3 2/5)=-1 11/25 1) 1 11/15-3 2/5=1 11/15-3 6/15=-1 10/15=-1 2/3 2) 2 2/5:(-1 2/3)=-1 11/25
1) 1.11/15 - 3.2/5 = 1