How Do You Solve a Rational Equation by LCD Multiplication?

How Do You Solve a Rational Equation by LCD Multiplication?

Note:

Want some extra practice solving rational equations? This tutorial gives you just that! You'll see how to solve a rational equation containing rational expressions with common denominators. Then, you'll see how to solve an equation containing rational expressions with unlike denominators. Take a look!

Keywords:

  • problem
  • rational
  • rational expression
  • variable
  • variables
  • fraction
  • algebraic fraction
  • fractions
  • similar denominator
  • same denominator
  • multiplication property of equality
  • least common denominator
  • lcd
  • excluded value
  • multiply by lcd

Background Tutorials

  • Fractions

      • What's a Numerator and What's A Denominator?What's a Numerator and What's A Denominator?

      What's a Numerator and What's A Denominator?

      Numerators and denominators are the key ingredients that make fractions, so if you want to work with fractions, you have to know what numerators and denominators are. Lucky for you, this tutorial will teach you some great tricks for remembering what numerators and denominators are all about.

  • Evaluating Expressions

  • Solving Equations by Dividing

  • The Distributive Property

      • How Do You Distribute With Whole Numbers and Fractions?How Do You Distribute With Whole Numbers and Fractions?

      How Do You Distribute With Whole Numbers and Fractions?

      This tutorial shows you how to distribute a whole number into the sum of fractions. It's an important skill to have when you're solving equations, and you never know when it can come up. Be sure to check out this tutorial!

  • Simplifying Rational Expressions

      • How Do You Reduce Common Factors in a Rational Expression?How Do You Reduce Common Factors in a Rational Expression?

      How Do You Reduce Common Factors in a Rational Expression?

      Multiplying rational expressions? Want to cancel common factors out to make things easier to work with? In this tutorial, you'll see how to cancel out common factors in order to find the simplified product of two rational expression. Check it out!

  • Solving Rational Equations

      • What's a Rational Equation?What's a Rational Equation?

      What's a Rational Equation?

      A rational expression is a fraction with a polynomial in the numerator and denominator. If you have an equation containing rational expressions, you have a rational equation. Learn more about rational equations by watching this tutorial!

Further Exploration

  • Solving Rational Equations