1.3.2 Dividing Rational Numbers

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What is a rational number?

Back

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?

Back

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

Front

What is the reciprocal of a fraction?

Back

The reciprocal of a fraction is obtained by flipping the numerator and denominator.

Front

What does 'keep, change, flip' mean in dividing fractions?

Back

It refers to the steps: Keep the first fraction, change the division sign to multiplication, and flip the second fraction.

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Back

Front

What is the reciprocal of 12?

Back

Front

What is the result of dividing a number by zero?

Back

Dividing by zero is undefined.

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Back

Front

What is the first step in dividing rational numbers?

Back

Identify the two rational numbers you want to divide.

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