Multiplying and Dividing Rational Numbers

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What is a rational number?

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A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

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How do you divide two fractions?

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To divide two fractions, multiply the first fraction by the reciprocal of the second fraction.

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What is the reciprocal of a fraction?

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What is the rule for multiplying fractions?

Back

To multiply fractions, multiply the numerators together and the denominators together.

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What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its lowest terms, where the numerator and denominator have no common factors other than 1.

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Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.