Website
Ducksters

Ducksters: Kids Math: Simplifying and Reducing Fractions

For Students 3rd - 8th Standards
Understand the steps to do when simplifying and reducing fractions including finding the greatest common factor on this website.
Interactive
Visual Fractions

Visual Fractions: Rename in Lowest Terms

For Students 3rd - 8th Standards
Practice finding the lowest term name for a variety of different fractions using a number line.
Interactive
Visual Fractions

Visual Fractions: Strict Fraction Multiplication With Lines

For Students 4th - 6th Standards
Use this interactive site from Visual Fractions to multiply fractions. Answers need to be given in lowest terms. Explanations are available for each question, and immediate feedback is provided.
Interactive
Shodor Education Foundation

Shodor Interactivate: Fraction Four

For Students 6th - 8th Standards
Students play a generalized version of connect four, gaining the chance to place a piece after simplifying fractions, converting fractions to decimals and percentages, and answering algebra questions involving fractions. Choose...
Interactive
Calculator Soup

Calculator Soup: Fractions Calculator

For Students 9th - 10th
Use this fraction calculator for adding, subtracting, multiplying and dividing fractions. Answers are fractions in lowest terms or mixed numbers in reduced form.
Handout
Calculator Soup

Calculator Soup: Simplifying Fractions Calculator

For Students 9th - 10th
Convert improper fractions to mixed numbers in simplest form. This calculator also simplifies proper fractions by reducing to lowest terms and showing the work involved.
Website
Ducksters

Ducksters: Kids Math: Ratios, Fractions, and Percentages

For Students 3rd - 8th Standards
This page explores how ratios can be written as fractions. The site also discusses proportions and reducing ratios with problems and examples.
Handout
Paul Dawkins

Paul's Online Notes: Algebra: Preliminaries: Rational Expressions

For Students 9th - 10th Standards
Detailed math tutorial features notes and examples that define rational expressions and investigate how to reduce a rational expression to lowest terms, add, subtract, multiply, and divide rational expressions.