        2
ye = -------
      a + b
latex:\black$\displaystyle \begin{equation}$
latex:\black$\displaystyle  \mathrm{ye~=~}\frac{2}{a+b}$
latex:\black$\displaystyle \end{equation}$
latex:\black$\displaystyle  \mathrm{ye~=~}\frac{2}{a+b}$
latex:\black$\displaystyle  \mathrm{\$ye~=~}\frac{2}{a+b}\mathrm{\$}$
