[tex] \frac{(3 \times \frac{8}{9} - 1.5)}{(3 \times \frac{1}{2} + 0.8)} + 2.(4) = \frac{ \frac{8}{3} - \frac{3}{2} }{ \frac{3}{2} + \frac{4}{5} } + 8 = \frac{ \frac{7}{6} }{ \frac{23}{10} } + 8 = \frac{35}{69} + 8 = \frac{587}{69} [/tex]
