## Key Concepts

**Convert a percent to a fraction.**- Write the percent as a ratio with the denominator [latex]100[/latex].
- Simplify the fraction if possible.

**Convert a percent to a decimal.**- Write the percent as a ratio with the denominator [latex]100[/latex].
- Convert the fraction to a decimal by dividing the numerator by the denominator.

**Convert a decimal to a percent.**- Write the decimal as a fraction.
- If the denominator of the fraction is not [latex]100[/latex], rewrite it as an equivalent fraction with denominator [latex]100[/latex].
- Write this ratio as a percent.

**Convert a fraction to a percent.**- Convert the fraction to a decimal.
- Convert the decimal to a percent.

## Glossary

**percent**- A percent is a ratio whose denominator is [latex]100[/latex] .