Question

(2 3/4 * 4 + 5 1/6 : 1/2 - 10 5/9 ) *9

Answer 1

1)2 3/4*4=11/4*4=11
2)5 1/6:1/2=31/6*2=31/3=10 1/3
3)11+10 1/3=21 1/3
4)2 1/3-10 5/9=21 3/9-10 5/9=20 12/9-10 5/9=10 7/9
5)10 7/9*9=79/9*9=79