Oswego City School District
Regents Exam Prep Center: Rational (Fractional) Expressions
A wealth of resources to help you in planning classroom instruction on rational expressions: lesson plans offer guidelines for and examples of simplifying, adding and subtracting, multiplying and dividing rational expressions; practice...
Oswego City School District
Regents Exam Prep Center: Add and Subtract Rational (Fractional) Expressions
Add and subtract rational expressions like a pro after you use this site. Finding common denominators is made easy with this tutorial. Try the example problems to test your knowledge, then check the solutions. The 'Topic Index' page...
Sophia Learning
Sophia: Addition and Subtraction of Rational Expressions
Use the examples to find the least common denominator in order to add and subtract rational expressions.
Khan Academy
Khan Academy: Intro to Adding & Subtracting Rational Expressions
Learn how to add or subtract two rational expressions into a single expression.
Khan Academy
Khan Academy: Add and Subtract Rational Expressions: Like Denominators
Check your understanding of how to add and subtract rational expressions that have like denominators with these problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive...
Khan Academy
Khan Academy: Add and Subtract Rational Expressions: Factored Denominators
Check your understanding of how to add and subtract rational expressions with these problems where the denominators have factors. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or...
Khan Academy
Khan Academy: Algebra Ii: Add and Subtract Rational Expressions
Check your understanding of how to add and subtract rational expressions with these problems. 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 Rational Expressions: Unlike Denominators
Add and subtract rational expressions with relatively prime denominators by manipulating them to have the same denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or...