## Algebra 1: Common Core (15th Edition)

$-1/24$
When we add or subtract fractions, we start by making a common denominator (bottom of the fraction). Thus, we multiply 7/12 by 2/2 and 5/8 by 3/3 to obtain: $\frac{14}{24}-$($\frac{15}{24}$)=$-\frac{1}{24}$.