Adding and Subtracting Rational Numbers

Front

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.

Front

What does it mean to add rational numbers?

Back

Adding rational numbers involves finding a common denominator if necessary and then combining the numerators.

Front

What does it mean to subtract rational numbers?

Back

Subtracting rational numbers involves finding a common denominator if necessary and then subtracting the numerators.

Front

Back

0

Front

Back

-19

Front

Back

-26.8

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Back

-6

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Back

-3.11

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Back

Front

What is the rule for subtracting a negative number?

Back

Subtracting a negative number is the same as adding its positive counterpart.