Key Concepts

• Convert a percent to a fraction.
  1. Write the percent as a ratio with the denominator $100$.
  2. Simplify the fraction if possible.
• Convert a percent to a decimal.
  1. Write the percent as a ratio with the denominator $100$.
  2. Convert the fraction to a decimal by dividing the numerator by the denominator.
• Convert a decimal to a percent.
  1. Write the decimal as a fraction.
  2. If the denominator of the fraction is not $100$, rewrite it as an equivalent fraction with denominator $100$.
  3. Write this ratio as a percent.
• Convert a fraction to a percent.
  1. Convert the fraction to a decimal.
  2. Convert the decimal to a percent.

Glossary

percent

A percent is a ratio whose denominator is $100$ .