[tex]48 \times \frac{5}{72} - \frac{5}{6} = \frac{48 \times 5}{72} - \frac{5}{6} = \frac{240}{72} - \frac{5}{6} = \frac{240}{72} - \frac{60}{72} = \frac{180}{72} = 2.5[/tex]