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

-$\frac{5}{8}$
In order to add or subtract fractions, we start by making a common denominator (bottom of the fraction). Thus, we multiply 3/4 by 2/2 (this is legal because 2/2 equals one) to obtain: $\frac{1}{8}$-$\frac{6}{8}$=-$\frac{5}{8}$