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 values and take 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 subtracting a negative rational number from a positive rational number?

Back

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

Front

How do you subtract rational numbers with different signs?

Back

To subtract rational numbers with different signs, convert the subtraction into addition by changing the sign of the number being subtracted.

Front

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

Back

2.27

Front

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

Back

-9.49

Front

What is the value of ⅞ - (-⅝)?

Back

1 4/8

Front

What is the value of ⅛ - ¼?

Back

-1/8

Front

What is the value of (-115) + 23?

Back

-92