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 rational numbers with different denominators?

Back

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

Front

What is the process for subtracting rational numbers?

Back

To subtract rational numbers, find a common denominator, convert each fraction, and then subtract the numerators.

Front

What is the result of -7/8 - 1/2?

Back

-1 3/8

Front

What does it mean to add two negative numbers?

Back

Adding two negative numbers results in a larger negative number.

Front

What is the sum of -28 and -8?

Back

-36

Front

How do you simplify the expression -31 + -7?

Back

The result is -38.

Front

What is the result of 4/9 + (-2/3)?

Back

-2/9

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.

Front

What is the result of 1 5/9 as an improper fraction?

Back

The improper fraction is 14/9.