Simplifying Rational Expressions+

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What is a rational expression?

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

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How do you simplify a rational expression?

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To simplify a rational expression, factor both the numerator and the denominator and then cancel any common factors.

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What does it mean to reduce a fraction?

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Reducing a fraction means to simplify it to its lowest terms by dividing the numerator and denominator by their greatest common factor.

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What is the greatest common factor (GCF)?

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The greatest common factor is the largest factor that two or more numbers share.

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How do you find the GCF of two polynomials?

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To find the GCF of two polynomials, factor each polynomial and identify the common factors.

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What is the difference between a proper and improper fraction?

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A proper fraction has a numerator smaller than its denominator, while an improper fraction has a numerator larger than or equal to its denominator.

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The first step is to factor both the numerator and the denominator.

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