4 4/9:4/9 -1 1/2* 3 1/3=40/9:4/9 -1 1/2* 3 1/3=40/9:9/4 -1 1/2* 3 1/3=

40/9:9/4 -3/2* 3 1/3=40*1/4 -3/2* 3* 1/3=10-3/2*3*1/3=

10-1/2*3=10-3/2=17/2