please help me with my math homework

Answer:
108/43
Step-by-step explanation:
[tex](6\frac{2}{3}-\frac{2}{3}) : (\frac{8}{9}+1\frac{1}{2}) =[/tex]
[tex]= 6 : (\frac{16}{18}+\frac{3}{2}) =[/tex]
[tex]= 6 : (\frac{16}{18}+\frac{27}{18}) =[/tex]
[tex]= 6 : (\frac{43}{18}) =[/tex]
[tex]= 6 * \frac{18}{43} =[/tex]
[tex]= \frac{108}{43}[/tex]