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

To divide fractions multiply by the reciprocal of the divisor. Dividing two numbers with opposite signs makes a negative quotient. Reduce fractions by taking out common factors of the numerators and denominators. $\frac{1}{5}$$\div$(-$\frac{1}{5}$)=$\frac{1}{5}$(-$\frac{5}{1}$)=-$\frac{1\times5}{5\times1}$=-$\frac{5}{5}$=-1