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 subtract a negative number from a negative number?

Back

Subtracting a negative number is the same as adding its positive counterpart. For example, -5 - (-3) = -5 + 3 = -2.

Front

What is the result of subtracting two rational numbers with different signs?

Back

When subtracting two rational numbers with different signs, you add their absolute values and keep the sign of the number with the larger absolute value.

Front

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

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place that result over the original denominator.

Front

What is the first step in subtracting fractions with different denominators?

Back

The first step is to find a common denominator for both fractions.

Front

Calculate: -5 1/4 + 3 2/5 = ?

Back

-1 17/20

Front

Calculate: -14 - (-8) = ?

Back

-6

Front

Calculate: 5.5 - 2.75 = ?

Back

2.75

Front

Calculate: -2.4 - 1.2 = ?

Back

-3.6

Front

Calculate: -1 1/3 - (-2 1/3) = ?

Back

1