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 positive number?

Back

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

Front

What is the result of subtracting two fractions with different denominators?

Back

To subtract fractions with different denominators, find a common denominator, convert the fractions, and then subtract the numerators.

Front

What is the first step in subtracting mixed numbers?

Back

Convert the mixed numbers to improper fractions before performing the subtraction.

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 that result over the original denominator.

Front

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

Back

1.

Front

What is the result of ⅛ - ¼?

Back

-1/8.

Front

What is the result of -5 1/4 + 3 2/5?

Back

-1 17/20.

Front

What is the result of -14 - (-8)?

Back

-6.

Front

What is the result of -½ - ⅔?

Back

-1 1/6.