## Intermediate Algebra for College Students (7th Edition)

$-\dfrac{1}{4}$
First, make the fractions similar using their LCD, which is 4, to obtain: $=\dfrac{1}{4} - \dfrac{2}{4}$ RECALL: $a-b = a+(-b)$ Thus, $\frac{1}{4} - \frac{2}{4} \\= \frac{1}{4} + \frac{-2}{4} \\=-(\frac{2}{4}-\frac{1}{4}) \\=-\frac{1}{4}$