In this article we look at properties of the number zero (0) regarding the four fundamental operations in mathematics: addition, subtraction, multiplication, and division. For all four operations, we will use the letter to represent a mathematical quantity. This quantity may be just a numerical value (like 6 and 39) or it could be an expression like , and it may have a sign either plus or minus.

Addition:

[an error occurred while processing this directive]

[an error occurred while processing this directive]

Subtraction:

Multiplication:

[an error occurred while processing this directive]

[an error occurred while processing this directive]

Division:

The topic of dividing by zero is discussed in detail in another article. Click here to read the article Dividing by Zero.

   Close   

or click the blue title bar at the top of the page