TeX Quellcode:

\genfrac{}{}{1pt}{0}{\frac{2}{15}}{\frac{-46}{-65}} = \dfrac{2}{15} : \dfrac{-46}{-65} = \dfrac{2}{15} \cdot \dfrac{65}{46} = \dfrac{1}{3} \cdot \dfrac{13}{23} = \dfrac{13}{69}