Operations with Rational Expressions

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What is a rational expression?

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

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How do you find a common denominator for rational expressions?

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To find a common denominator, identify the least common multiple (LCM) of the denominators.

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What is the process of adding rational expressions?

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To add rational expressions, find a common denominator, rewrite each expression, and then combine the numerators.

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What does it mean to simplify a rational expression?

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Simplifying a rational expression means reducing it to its lowest terms by factoring and canceling 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 the denominator, while an improper fraction has a numerator larger than or equal to the denominator.

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It is already in simplest form.