McGraw Hill
Glencoe Mathematics: Online Study Tools: Adding and Subtracting Unlike Fractions
This site gives a short interactive quiz which allows students to self-assess their understanding of the concept of adding and subtracting unlike fractions.
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,...
McGraw Hill
Glencoe: Self Check Quizzes 3 Add and Subtract Fractions With Unlike Denominator
Use Glencoe's Math Course 3 randomly generated self-checking quiz to test your knowledge of adding and subtracting fractions with unlike denominators. Each question has a "Hint" link to help. Choose the correct answer for each problem....
McGraw Hill
Glencoe: Self Check Quizzes 2 Add and Subtract Fractions Unlike Denominators
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of adding and subtracting fractions with different denominators. Each question has a "Hint" link to help. Choose the correct answer for each...
Visual Fractions
Visual Fractions: Add Unlike Fractions With Number Line Models
Boost your ability to add number line fractions with unlike denominators with this interactive math game. A basic understanding of factors is key to success. Instructions with detailed examples are easily accessible.
Khan Academy
Khan Academy: Add Fractions With Unlike Denominators
Practice adding fractions that have different denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Subtracting Fractions With Unlike Denominators
Practice subtracting fractions that have different denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Elem Math: Adding and Subtracting Fractions With Different Denominators
[Free Registration/Login may be required to access all resource tools.] This video gives steps of finding common denominators and then adding and subtracting multiple fractions together. After the video, there are practice problems...
Other
Help With Fractions: Adding Fractions
The rules for adding fractions with the same or different denominators are clearly explained at this website. This is an excellent place to get step by step explanations for working with fractions.
E-learning for Kids
E Learning for Kids: Math: Husky Sled: Fractions and Decimals
In this interactive website students practice various skills including adding fractions with common denominators, adding fractions with different denominators, adding decimals, finding equivalent fractions, and calculating averages.
PBS
Pbs: Meerkatcher: Add Fractions With Unlike Denominators
The rascally gang of meerkats have escaped from their pens. Add fractions to fix the ladders and catch those 'kats! In this activity, students will focus on adding fractions, starting with single-digit denominators and working up. This...
Illustrative Mathematics
Illustrative Mathematics: Mixed Numbers With Unlike Denominators
The purpose of this task is to help students realize there are different ways to add mixed numbers and is most appropriate for use in an instructional setting. The two primary ways one can expect students to add are converting the mixed...
McGraw Hill
Glencoe: Self Check Quizzes 1 Add and Subtract Fractions Unlike Denominators
Use Glencoe's randomly generated self-checking quiz to test your knowledge of adding and subtracting fractions with unlike denominators. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom...
Khan Academy
Khan Academy: Add and Subtract Fractions: Word Problems
In this exercise, students practice adding and subtracting fractions with unlike denominators word problems. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Cool Math
Coolmath: Coolmath4kids: Adding and Subtracting Fractions With Different Denominators
Demonstrates how to add and subtract fractions where the denominators are different. Includes sample problems to try.
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.
Khan Academy
Khan Academy: Add and Subtract Fractions Challenge
Challenge problems involving adding and subtracting fractions that have unlike denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Adding and Subtracting Mixed Numbers With Unlike Denominators 2
In this exercise, students practice using visuals to add and subtract fractions with unlike denominators. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Visually Add and Subtract Fractions
Practice adding and subtracting fractions that have different denominators. Problems have fraction diagrams. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Other
Nearpod: Adding & Subtracting: Unlike Denominators
In this lesson, 5th graders will learn how to add and subtract fractions and mixed numbers using models and by finding common denominators.
Khan Academy
Khan Academy: Add and Subtract Mixed Numbers With Unlike Denominators 2
Practice adding and subtracting mixed numbers with different denominators. Regrouping required. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Add and Subtract Fractions Challenge
Challenge problems involving adding and subtracting fractions that have unlike denominators.
Sophia Learning
Sophia: Adding and Subtracting Rational Expressions
This learning tutorial investigates how to add and subtract rational expressions with like and unlike denominators. The lesson includes two videos that demonstrate the process of adding and subtracting rational expressions and four...
Khan Academy
Khan Academy: Add & Subtract Mixed Numbers With Unlike Denominators (Regrouping)
Practice adding and subtracting mixed numbers with different denominators. Regrouping required.