Adding and Subtracting Rational Expressions (Same Denominator)

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What do you do when adding or subtracting rational expressions with the same denominator?

Back

Add or subtract the numerators.

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Front

What is a rational expression?

Back

A rational expression is a fraction where the numerator and the denominator are polynomials.

Front

What is the first step in adding rational expressions with the same denominator?

Back

Identify the common denominator.

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If the denominators are the same, what happens to them when adding or subtracting?

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The denominators remain the same.

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What is the formula for subtracting rational expressions with the same denominator?

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