Mastering Rational Number Operations

Front

What is a rational number?

Back

Front

How do you add two rational numbers?

Back

To add two rational numbers, find a common denominator, convert the fractions, and then add the numerators.

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Back

Front

How do you subtract two rational numbers?

Back

To subtract two rational numbers, find a common denominator, convert the fractions, and then subtract the numerators.

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Back

Front

How do you multiply two rational numbers?

Back

To multiply two rational numbers, multiply the numerators together and the denominators together.

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Back

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator.

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Back

0.625.

Front

How do you divide two rational numbers?

Back

To divide two rational numbers, multiply the first number by the reciprocal of the second number.