a)
[tex]6\div \frac{2}{3} =6\times \frac{3}{2} =3\times 3=9[/tex]
[tex]8\div 2\frac{2}{3} =8\div \frac{8}{3} =8\times \frac{3}{8} =3[/tex]
b)
[tex]2\frac{1}{3} \div \frac{7}{8} =\frac{7}{3} \times \frac{8}{7} =\frac{1}{3} \times \frac{8}{1} =\frac{8}{3} =2\frac{2}{3}[/tex]
[tex]1\frac{1}{8} \div 1\frac{4}{5} =\frac{9}{8} \div \frac{9}{5} =\frac{9}{8} \times \frac{5}{9} =\frac{1}{8} \times\frac{5}{1} =\frac{5}{8}[/tex]
