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

How do you add two rational numbers with different denominators?

Back

To add two rational numbers with different denominators, find a common denominator, convert each fraction, and then add the numerators.

Front

What is the result of 1/2 + (-3/4)?

Back

-1/4

Front

How do you subtract a negative rational number from a negative rational number?

Back

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

Front

What is the result of -31 + (-7)?

Back

-38

Front

How do you subtract two negative numbers?

Back

When subtracting two negative numbers, you can add their absolute values and keep the negative sign.

Front

What is the result of -7.34 - (-5.51)?

Back

-1.83

Front

What is the rule for adding two negative numbers?

Back

When adding two negative numbers, the result is negative and you add their absolute values.

Front

What is the result of 6 - 12?

Back

-6

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.