( 40:72- 1/3)* 2 1/4+8/9

[latex]=(5/9-1/3)*2 \frac{1}{4} +8/9=( \frac{5-3}{9} )*2 \frac{1}{4} +8/9=2/9* 2\frac{1}{4} +8/9=25/18[/latex] 40/72=5/9