## Intermediate Algebra (6th Edition)

$\frac{-a}{b}=\frac{a}{-b}$
The fraction $\frac{-a}{b}=\frac{-a}{b}=\frac{a}{-b}$. This is because the quotient will be negative for all of these; -1 can be factored out of all of these to get $-1 \times \frac{a}{b}$