## Prealgebra (7th Edition)

$-\frac{1}{24}$
Convert to like fractions. $\frac{7}{12}=\frac{7\times2}{12\times2}=\frac{14}{24}$ $\frac{5}{8}=\frac{5\times3}{8\times3}=\frac{15}{24}$ To add or subtract fractions with the same denominator, add or subtract the numerators and keep the denominator. $\frac{14}{24}-\frac{15}{24}=-\frac{1}{24}$