$\displaystyle \frac{4}5{}$\displaystyle \frac{4}5{}

$\displaystyle \frac{4}{9}$\displaystyle \frac{4}{9}

$\displaystyle \frac{5}{9 }$\displaystyle \frac{5}{9 }

$\displaystyle \frac{6}{9}$\displaystyle \frac{6}{9}