$(\frac{3}{8}\times 82-\frac{4}{9}\times \frac{3}{8}\times 92)\div(\frac{3}{8}-\frac{4}{9}\times \frac{3}{8})$ $(\frac{3}{8}\times 82-\frac{1}{6}\times 92)\div(\frac{3}{8}-\frac{1}{6})$ $15/41\div 0/21=74$