Question

5/6+5/18-(3 7/8-2 13/15)=

Answer 1

5/6+5/18-(34/9-43/15)

5/6+5/18-(170/45 -129/45)

5/6+5/18-41/45

75/90+25/90-82/90

1/2

Answer 2

1/5 а не 1/2

Answer 3

1) 3 7/8-2 13/15=1 1/120
2)5/6+5/18=1 1/9
3) 1 1/9-1 1/120= 37/360