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

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

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

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