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.

Use this discussion, provided by Shodor, to reinforce your knowledge on adding and subtracting fractions with unlike denominators.

This fifth-grade lesson teaches how to add and subtract unlike fractions using a video presentation and visual models. [7:19] Includes practice exercises.

Students learn about finding a common denominator in fraction addition and subtraction.

Find a quick, concise explanation of how to add and subtract fractions. Step by step examples are included to help you understand how to find the sum or difference for fractions with both like and unlike denominators.

Find a quick, concise explanation of how to compare fractions with unlike denominators. An example is given and explained for a quick review of the process.

This StudyCard stack covers adding (or subtracting) numerators with simple to complex denominators. The set ends with sums or differences of rational functions with different denominators.

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.

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.

[Free Registration/Login may be required to access all resource tools.] Add fractions and mixed numbers with like and unlike denominators

[Free Registration/Login may be required to access all resource tools.] Add and subtract fractions and mixed numbers with like and unlike denominators

[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...

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.

Practice solving fraction addition and subtraction word problems. The fractions in these problems have unlike denominators.

Challenge problems involving adding and subtracting fractions that have unlike denominators.

This very basic website gives simple, easy steps on how to subtract fractions with the same denominator and what to do when they have different denominators.

This very basic website gives simple, easy steps on how to add fractions with the same denominator and what to do when they have different denominators.

Sharpen your computation skills with this interactive worksheet. The focus is adding and subtracting fractions with like and unlike denominators and reducing to lowest terms. Problems are set up horizontally and answers can be checked...

Use Glencoe's randomly generated self-checking quiz to test your knowledge of comparing and ordering fractions. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the...

Use Glencoe's randomly generated self-checking quiz to test your knowledge of subtracting mixed numbers with renaming. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click...

[Free Registration/Login may be required to access all resource tools.] Add and subtract rational expressions with the same denominator and different denominators.

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,...

Practice comparing fractions and mixed numbers that have unlike denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Rock out to a musical demonstration of math involved in constructing rhythms from groups of beats in this video from KQED. In the accompanying classroom activity, students consider how the note durations comprising a measure in 3/4 time...