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Sophia Learning
Sophia: Comparing Fractions With Unlike Denominators
Students review how to compare fractions with unlike denominators. The video tutorial includes detailed examples.
Khan Academy
Khan Academy: Visually Compare Fractions 2
Practice comparing fractions by looking at pictures. Fractions in these problems do not have common denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Visual Fractions
Visual Fractions: Add Fractions With Number Line or Circle Models
This site is provided for by Visual Fractions. Add mixed numbers with like denominators using circles. Click on the "Explain" button to understand the answer.
Lawrence Hall of Science
The Math Page: Skill in Algebra: Adding Algebraic Fractions
Here is a site that clearly and thoroughly explains adding algebraic fractions (rational expressions) both with common denominators and with different denominators. There are example problems solved, problems for the student to attempt,...
Lawrence Hall of Science
The Math Page: Skill in Algebra: Skill in Algebra: Algebraic Fractions
Explains how to find a common denominator between two rational expressions and how to reduce a fraction that involves factoring. There are example problems solved, problems for the student to attempt, and answers to the student problems....
ArtsNow
Arts Now Learning: Moving With Fractions [Pdf]
In this lesson, 4th graders use movement phrases to model common fractions and decimal fractions with like denominators. They compare the fraction of locomotor and non-locomotor movements in a movement phrase. Students then create their...
Khan Academy
Khan Academy: Add and Subtract Mixed Numbers With Unlike Denominators 1
Practice adding and subtracting mixed numbers with different denominators. No regrouping required. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Arithmetic: Differences of Fractions
[Free Registration/Login may be required to access all resource tools.] Find differences of fractions with different denominators by renaming them with a common denominator.
Sophia Learning
Sophia: Like and Unlike Fractions
This video lesson describes the difference between like and unlike fractions.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Add and Subtract Fractions
This Math Page tutorial explains how to add and subtract fractions and features a practice section at the very end of the lesson.
Other
Help With Fractions: Subtracting Fractions
The rules for subtracting fractions with like or unlike denominators are clearly explained at this website. Even mixed number subtraction is tackled! This is an excellent place to get step by step explanations for working with fractions.
Texas Instruments
Texas Instruments: Smart Shoppers
In this activity, students will compare ratios with different denominators, and then with common denominators. They will also find unit rates.
CK-12 Foundation
Ck 12: Arithmetic: Subtraction of Fractions
[Free Registration/Login may be required to access all resource tools.] In this lesson students subtract fractions and mixed numbers with like and unlike denominators. Students examine guided notes, review guided practice, watch...
Sophia Learning
Sophia: Ordering Fractions and Decimals
This video tutorial reviews how to order fractions and decimals by converting the numbers to either all fractions or all decimals. It includes detailed examples.
ClassFlow
Class Flow: Adding Fractions With Like Denominators
[Free Registration/Login Required] This flipchart introduces and reviews adding fractions with common denominators. The lesson contains a link to an informative website as well as a United Streaming Video.
Sophia Learning
Sophia: Adding Mixed Numbers
This video tutorial reviews how to add mixed numbers with like and unlike denominators. The lesson includes detailed examples.
Mangahigh
Mangahigh: Number: Common Fractions Thirds and Fifths
Determine equilvalent fractions using denominators of 3 and 5.
PBS
Pbs: Logical Leaps: Adding Fractions and Decimals From 0 to 1 on the Vertical Number Line
In this interactive, use logic to solve riddles involving flea circus high jumps. Then, add two consecutive jumps and place them on a vertical number line. This often requires you to find equivalent fractions with common denominators....
PBS
Pbs: Logical Leaps: Adding Fractions, Mixed Numbers, and Decimals on the Number Line
In this interactive, use logic to solve riddles involving a jumping frog contest. Add two consecutive jumps by one frog and place the jumps on the number line, finding equivalent fractions with common denominators to do so. Numbers are...
Quia
Ixl Learning: Least Common Multiple
Brush up on your math skills relating to the least common multiple then try some practice problems to test your understanding.
Other
Chili Math: Adding and Subtracting Fractions With Same or Like Denominator
Features steps on how to add and subtract fractions with the same denominator.
Visual Fractions
Visual Fractions: Addition of Like Fractions With Circle Models
Brush up on your fraction addition skills with this interactive game. Practice adding fractions and mixed numbers with common denominators. Don't worry! If you need a little assistance, examples and explanations are included.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra: Complex Fractions
This tutorial shows two different ways in which you can simplify complex fractions. Works through examples step-by-step and gives some practice problems.
Khan Academy
Khan Academy: Add and Subtract Fractions: Word Problems 2
Practice solving word problems by adding and subtracting fractions. The fractions used in these problems have like (common) denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...