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Home  /  Martin-Gay Beginning Algebra (7e)  /  Chapter 7 · Rational Expressions
Section 7.3

Adding and Subtracting Rational Expressions with the Same Denominator and Least Common Denominator

Finding the least common denominator of two or more rational expressions and rewriting expressions over a common denominator.

4 lessons. Pick what you need.

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Chapter 7 · Rational Expressions
7.1 7.2 7.3 7.4 7.5 7.6 7.7
Lesson

Review of How to Find the Least Common Denominator For Fractions

Guided Notes Guided Notes (Word Version)
Lesson

Lesson on Finding the Least Common Denominator Between Rational Expressions

Guided Notes Guided Notes (Word Version)
Lesson

Lesson on Writing Equivalent Rational Expressions with the Least Common Denominator (LCD)

Guided Notes Guided Notes (Word Version)
Examples

Examples of Finding Common Denominators for Rational Expressions