7:5/6-8целых1/9 помагите пж.

Question

7:5/6-8целых1/9 помагите пж.

Answer 1

7:5/6-8 1/9=13/45
1) 7:5/6=7*6/5=42/5=8 2/5
2) 8 2/5-8 1/9=8 18/45-8 5/45=
=13/45