Curated OER
Adding and Subtracting Rational Expressions with Like and Unlike Denominators
In this rational expressions worksheet, students find the sum or difference of two rational expressions in seventy-two problems on four worksheets. The first two worksheets contain problems with like denominators and the second two...
University of Saskatchewan (Canada)
University of Saskatchewan: Partial Fraction Decompositions
A short lesson on rational expressions. Includes a definition, examples, and exercises to choose from from introductory, moderate, or advanced.
Oswego City School District
Regents Exam Prep Center: Adding and Subtracting Fractions
Use this site to learn how to add and subtract algebraic fractions, even if there aren't common denominators. Provides plenty of examples.
Department of Defense
Do Dea: Algebra 1: Semester Ii: Rational Expressions
A learning module through which students learn about rational expressions including inverse relationships, multiplying and dividing rations expressions, adding and subtracting rational expressions, solving rational equations, and...
Help Algebra
Help algebra.com: Simplifying Rational Expressions
The process of factoring and canceling is used to simplify, multiply, and divide rational expressions. Adding and subtracting rational expressions is also demonstrated, including finding common denominators.
Interactive Mathematics
Interactive Mathematics: Addition & Subtraction of Fractions
The addition and subtraction of algebraic expressions is presented with detailed examples and exercises for extra practice.