Converting percents to and from decimals and fractions is demonstrated in detailed examples. Once the concept is understood, you can use it to solve equations that contain percents.

Demonstrates how to perform arithmetic operations with negative fractions, mixed numbers, decimals, and percents. Includes ten practice questions.

Interactive fraction bars allow practice with mixed and equivalent fractions, decimals, and percents. Use Safari and/or Chrome browser.

This site defines a percent, explains it as a fraction and decimal, and shows how to estimate a percentage.

Convert a fraction to a percent. Convert proper and improper fractions to percentages. This calculator shows the steps and work to convert a fraction to a percentage number.

Convert mixed numbers or mixed fractions to percents. The mixed number to percentage calculator finds the decimal equivalent by finding the decimal value of the fraction, adding the decimal to the whole number part of the mixed number,...

Students have the opportunity to study examples and worked out example problems to further their understanding of chemical solution concentration.