(4,5*1 2/3 - 6,75)*(1 1/3)³

Question

(4,5*1 2/3 - 6,75)*(1 1/3)³

Answer 1

4,5*1 2/3=15/2=7 1/2
7 1/2-6,75=3/4         6,75=6 75/100
1 1/3*1 1/3*1 1/3=2 10/27
3/4*2 10/27=1 7/9