2 1/3 : 1 7/8 : (-1/5) помогите

Question

2 1/3 : 1 7/8 : (-1/5) помогите

Answer 1

-35/12..................

Answer 2

1) 7/6÷15/8=7/6×8/15=28/45
2)28/45÷(-1/5)=28/45×(-5)=-28/9= -3 1/9