Adding 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 signs?

Back

When adding two rational numbers with different signs, subtract the smaller absolute value from the larger absolute value and keep the sign of the number with the larger absolute value.

Front

What is the sum of -40 and 15.05?

Back

-24.95

Front

How do you add a positive and a negative rational number?

Back

To add a positive and a negative rational number, find the difference between their absolute values and use the sign of the number with the larger absolute value.

Front

What is the result of 34.5 + (-7)?

Back

27.5

Front

What is the sum of two negative rational numbers?

Back

The sum of two negative rational numbers is always negative, and you add their absolute values.

Front

What is the result of -2.61 + (-6.88)?

Back

-9.49

Front

How do you add two rational numbers with the same sign?

Back

When adding two rational numbers with the same sign, add their absolute values and keep the common sign.

Front

What is the result of 9 + (-6.73)?

Back

2.27

Front

What is the sum of -4.2 and 3.3?

Back

-0.9