Rational expressions typically contain a variable in the denominator. For this reason, we will take care to ensure that the denominator is not 0 by making note of restrictions and checking our solutions.

Free rational functions math topic guide, including step-by-step examples, free practice questions, teaching tips and more!

Feb 19, 2024 · Two special techniques, cross multiplication and finding lowest common denominators, are extremely useful for isolating variables and solving rational equations.

Nov 30, 2025 · The proposed equations are carefully designed to help you consolidate your understanding of irrational equations. Try solving them independently before checking the solutions …

This topic covers: - Simplifying rational expressions - Multiplying, dividing, adding, & subtracting rational expressions - Rational equations - Graphing rational functions (including horizontal & vertical …

Learn the best ways to solve rational equations by eliminating the denominators using the least common denominator (LCD) method. This usually simplifies the problem into solving either a linear or …

Many formulas used in business, science, economics, and other fields use rational equations to model the relation between two or more variables. We will now see how to solve a rational equation for a …

Examples, solutions, videos, worksheets, and activities to help Algebra students. The following figure shows how to solve rational equations. Scroll down the page for more examples and solutions. …

Rational equations have a variable in the denominator in at least one of the terms. Our goal is to perform algebraic operations so that the variables appear in the numerator. In fact, we will eliminate all …

Learn how to solve Rational Equations in this video tutorial where we go through 3 different examples. We discuss how to find common denominators and how to clear the denominators to make...