[tex] -\frac{5}{6} - \frac{1}{6} * (\frac{2}{3})^-^2= \\ \\ = -\frac{5}{6}- \frac{1}{6}*( \frac{3}{2})^2= \\ \\ = -\frac{5}{6} - \frac{1}{6}* \frac{9}{4}= \\ \\ = -\raisebox{1.5ex}{4)}\frac{5}{6}-\raisebox{1.5ex}{3)} \frac{3}{8}= \\ \\ = -\frac{20}{24}- \frac{9}{24}= \\ \\ = -\frac{29}{24 } \\\\ Bafta!\ [/tex]
