Question

(12 5/12+1 2/3-3 5/6+2 3/4):(2 1/2*2/5-7/9)

Answer 1

1)=12 5/12+1 8/12-3 10/12+2 9/12=13
2)2 1/2*2/5=5/2*2/5=1
3)1-7/9=2/9
4)13:2/9=13*9/2=117/2=58,5