National Security Agency
Fraction Fever
This unit on fractions allows for upper-aged elementary learners to explore ways to find the greatest common factor and least common multiple of two numbers. Ultimately, young mathematicians will be able to identify equivalent fractions,...
Discovery Education
Discovery Education: Web Math: Reducing a Fraction to Lowest Terms
This WebMath site explains step-by-step how to reduce (simplify) a fraction that you enter to the lowest terms.
Khan Academy
Khan Academy: Reducing Rational Expressions to Lowest Terms
Learn what it means to reduce a rational expression to lowest terms, and how it's done!
Math Medics
S.o.s. Math: Simple Fractions
This S.O.S. tutorial gives students a basic review of simple fractions. Follow the tutorial to refresh your skills involving simple fraction manipulations. Each section contains problems with links to the answers.
Math Is Fun
Math Is Fun: Simplifying Fractions
The learning activity examines how to simplify fractions. The resource consists of explanations, examples with solutions, and a simplifying fraction tool.
CK-12 Foundation
Ck 12: Arithmetic: Fractions in Simplest Form
[Free Registration/Login may be required to access all resource tools.] Simplify fractions by dividing by the greatest common factor.
Education Development Center
Tune in to Learning: Math Lesson Working With Ratios
Did you know that chefs must know how to use ratios in order to prepare meals? Learn the value of understanding how to write ratios, ratio proportionality, and ratios in lowest terms in this interactive lesson. Based on real world...
Other
Project Happy Child: Simplifying Fractions Worksheets
At this location there are three simple stories that explain the basic concept of simplifying fractions or finding their lowest terms. Then there are 12 worksheets that increase in difficulty to help students practice this concept.
Learning Wave Communications
Learning Wave: Fractions
This resource contains information about fractions and includes ratios, equivalent fractions, basic operations, and reciprocals. Several links for practice problems are also included, along with links to a post and pretest.
AAA Math
Aaa Math: Dividing Fractions by Fractions
Students review how to divide fractions by fractions. Practice problems are included.
Khan Academy
Khan Academy: Intro to Rational Expressions
This lesson will introduce you to rational expressions. You will learn how to determine when a rational expression is undefined and how to find its domain.
CK-12 Foundation
Ck 12: Elem Math: Reducing to Simplest Form
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to reduce fractions to their lowest terms. Includes video demonstrating a sample problem [1:00] and a set of practice...
CK-12 Foundation
Ck 12: Elem Math: Reducing Simplest Form Word Problems
[Free Registration/Login may be required to access all resource tools.] For this learning module, students must solve word problems where they are asked to reduce fractions to their lowest terms. Includes video demonstrating a sample...
PBS
Pbs: Area Models for Multiplication of Fractions
Use area models to show a visual representation of the product of two fractions. This interactive exercise focuses on multiplying fractions and reducing them when possible.
Help Algebra
Help algebra.com: Fractions
This resource offers an overview of fractions from several aspects, including simplifying, reduced, mixed numbers and improper form, and basic operations. Examples and diagrams are included to help demonstrate each topic.
Math Medics
S.o.s. Math: Reducing Fractions
Explains step-by-step how to reduce fractions. Gives examples and exercises to practice this skill.
The Math League
The Math League: Fractions
This tutorial covers all types of fractions with simple explanations on how to work with them.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Complex Rational Expressions
Learn to simplify complex fractions via this tutorial that features various methods for simplifying, example problems with step-by-step solutions, and practice problems, complete with answers and discussions.
Wyzant
Wyzant: Fraction Simplifying Calculator
This WyzAnt applet allows the user to input fractions--improper or mixed numbers--and have the calculator reduce the fraction or convert it into a mixed number. A good resource for checking students work.
AAA Math
Aaa Math: Multiplying Fractions
This lesson teaches students to multiply fractions with other fractions and reduce to the lowest terms. It also offers a learning game to provide practice.
CK-12 Foundation
Ck 12: Elem Math: Multiplying Mixed Numbers Word Problems
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to solve word problems where they must multiply mixed numbers by first converting them to improper fractions,...
CK-12 Foundation
Ck 12: Elem Math: Multiplying Two Mixed Numbers
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are asked to multiply two mixed numbers by first converting them to improper fractions, multiplying, then reducing the product to...
Houghton Mifflin Harcourt
Houghton Mifflin Harcourt: Saxon Activity Center: Graphing Calculator Activity: Common Denominators [Pdf]
A graphing calculator lesson focusing on common denominator. Lesson contains detailed examples, visual demonstrations with key functions, and practice problems. Acrobat Reader required.
CK-12 Foundation
Ck 12: Algebra: Excluded Values for Rational Expressions
[Free Registration/Login may be required to access all resource tools.] Reduce rational expressions involving fractions to simplest terms and find their excluded values.