Question

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

Answer 1

1)3 7/9 - 2 13/15 = 34/9 - 43/15 = 170/45 - 129/45 = 41/45
2)5/6 +5/18 = 15/18 + 5/18 = 20/18
3)20/18 - 41/45 = 100/90 - 82/90 = 18/90 = 1/5 = 0,2