5/6+5/18-(3 7/9-2 13/15)

Question

5/6+5/18-(3 7/9-2 13/15)

Answer 1

3 7\9 - 2 13\15=3 35\45 - 2 39\45=41\45
5\18-41\45=25\90-82\90= - 57\90
5\6+(-57/90)=75\90-57\90=18\90=1\5=0,2