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 the same sign?

Back

Add the absolute values of the numbers and keep the sign.

Front

How do you subtract a negative rational number?

Back

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

Front

Back

11.25

Front

Back

-7

Front

When adding rational numbers with different signs, what do you do?

Back

Subtract the smaller absolute value from the larger absolute value and keep the sign of the number with the larger absolute value.

Front

Back

-11rac{1}{30}

Front

Back

-13.73

Front

What does 'keeping the sign' mean in addition?

Back

It means that when you add two numbers with the same sign, the result will also have that same sign.

Front

What is the first step in adding rational numbers?

Back

Identify if the numbers have the same sign or different signs.