Adding and Subtracting Rational Expressions

Front

What is a rational expression?

Back

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

Front

What is the first step in adding or subtracting rational expressions?

Back

The first step is to find a common denominator for the expressions.

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What is the formula for adding two rational expressions?

Back

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Find a common denominator, combine the numerators, and simplify the resulting expression.

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Front

What is the significance of factoring in adding rational expressions?

Back

Factoring helps to simplify the expressions and find common denominators more easily.

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Combine the fractions over the common denominator and simplify the numerator.

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