Question

7/15+5/6=
2 4/ 15+4 11/12-3 9/20
помогите пжэ

Answer 1

7/15+5/6=14/30+25/30=39/30=13/10=1.3
2 4/ 15+4 11/12-3 9/20 = 2 16/60+4 55/60- 3 27/60= 3 8/10= 3,8