[tex]( \frac{149}{12} + \frac{5}{3} - \frac{23}{6} + \frac{11}{4} ) \div ( \frac{5}{2} \times \frac{2}{5} - \frac{7}{9} )[/tex]
[tex]( \frac{149}{12} + \frac{20}{12} - \frac{46}{12} ) \div (1 - \frac{7}{9} ) = [/tex]
[tex] \frac{123}{12} \div \frac{2}{9} = \frac{123}{12} \times \frac{9}{2} = \frac{1227}{24} [/tex]
