8 7/15-5 3/4+6 помогите

Question

8 7/15-5 3/4+6 помогите

Answer 1

8 7/15-5 3/4+6=
8 28/60-5 45/60+6=
9 (28-45)/60=8 (88-45)/60=
8 43/60
или
127/15-23/4+6=
508-345+360/60=
523/60=8 43/60