## Algebra 1

$-\frac{73}{120}$
$\frac{7}{24} - \frac{9}{10}$ The LCD is 120 $\frac{7\times5}{24\times5} - \frac{9\times12}{10\times12}$ = $\frac{35}{120} - \frac{108}{120}$ = $\frac{-73}{120}$