$\displaystyle \frac{1}{8}$\displaystyle \frac{1}{8}

$\displaystyle \frac{9}{16}$\displaystyle \frac{9}{16}

$\displaystyle \frac{3}{4}$\displaystyle \frac{3}{4}

$\displaystyle \left(- \frac{3}{4} \right)$\displaystyle \left(- \frac{3}{4} \right)