[tex] \frac{2}{4} \times ( - \frac{8}{4} \times ( - \frac{3}{8} - \frac{5}{9} )) - \frac{3}{8} [/tex]
[tex] \frac{2}{4} \times ( - \frac{8}{4} \times ( - \frac{27}{72} - \frac{40}{72} )) - \frac{3}{8} [/tex]
[tex] \frac{2}{4} \times ( \frac{8}{4} \times \frac{67}{72} ) - \frac{3}{8} [/tex]
[tex] \frac{2}{4} \times \frac{8}{4} \times \frac{67}{72} - \frac{3}{8} [/tex]
[tex] \frac{2 \times 8 \times 67}{4 \times 4 \times 72} - \frac{3}{8} [/tex]
[tex] \frac{67}{4 \times 2 \times 9} - \frac{3}{8} [/tex]
[tex] \frac{67}{8 \times 9} - \frac{3}{8} [/tex]
[tex] \frac{67}{72} - \frac{3 \times 9}{72} [/tex]
[tex] \frac{67}{72} - \frac{27}{72} [/tex]
[tex] \frac{40}{72} [/tex]
[tex] \frac{20}{36} [/tex]
[tex] \frac{10}{18} [/tex]
[tex] \frac{5}{9} [/tex]
