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 a positive and a negative rational number?

Back

To add a positive and a negative rational number, subtract the absolute value of the negative number from the positive number and keep the sign of the number with the larger absolute value.

Front

What is the result of adding two negative rational numbers?

Back

The result of adding two negative rational numbers is always a negative rational number.

Front

What is the result of adding two positive rational numbers?

Back

The result of adding two positive rational numbers is always a positive rational number.

Front

How do you subtract a rational number from another rational number?

Back

To subtract a rational number, add its opposite. For example, a - b is the same as a + (-b).

Front

What is the sum of 7.19 and -5.34?

Back

1.85

Front

What is -19 - 10?

Back

-29

Front

What is the sum of 34.5 and -7?

Back

27.5

Front

What is -23.4 - 3.4?

Back

-26.8

Front

What is the result of 9 + -6.73?

Back

2.27