Add & Subtract Positive and Negative 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 negative rational numbers?

Back

To add two negative rational numbers, add their absolute values and keep the negative sign.

Front

What is the result of adding a positive and a negative rational number?

Back

The result depends on the absolute values of the numbers. If the positive number's absolute value is greater, the result is positive; if the negative number's absolute value is greater, the result is negative.

Front

How do you subtract a negative rational number from a positive rational number?

Back

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

Front

What is the sum of -2/5 and -9/3?

Back

-51/15 or -3 2/5.

Front

What is 1/4 - (-3/4)?

Back

1.

Front

How do you subtract two negative numbers?

Back

To subtract a negative number, add its absolute value.

Front

What is the result of -3.77 - (-2.9)?

Back

-0.87.

Front

What is -2.09 - 15.271?

Back

-17.361.

Front

What is -13.5 + 5.35?

Back

-8.15.