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 rule for subtracting a negative number?

Back

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

Front

How do you convert a subtraction problem into an addition problem?

Back

To convert a subtraction problem into an addition problem, change the subtraction to addition and change the sign of the number being subtracted.

Front

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

Back

-1/12

Front

What is -23.4 - 3.4?

Back

-26.8

Front

What is the first step in adding fractions?

Back

The first step is to find a common denominator.

Front

What does it mean to add integers?

Back

Adding integers involves combining their values, taking into account their signs (positive or negative).

Front

What is the result of -1 7/8 + (-3 1/2)?

Back

-5 3/8

Front

When adding two negative fractions, what is the sign of the result?

Back

The result will be negative.