How much is 489 minus 870?

Other ways of saying the same.

489 minus 870 equals?

Definition

What is?
Subtraction is a fundamental arithmetic operation that involves taking one number away from another. It is denoted by the minus (-) sign, and the result of a subtraction is called the difference. Subtraction is the inverse operation of addition, meaning that if we add the difference to the subtrahend (the number being subtracted from), we get the minuend (the original number).

Elements:
The elements of subtraction are known

• Operation: 489 - 870;
• minuend: 489;
• subtracting: 870;
• operator: -;
• difference: -381.

Properties

The subtraction operation has important properties

• Neutral element
  The neutral element in subtraction is zero, meaning that subtracting zero from any number results in the same number. This is because zero is the only number that, when subtracted from any number, does not change its value. For example, if we subtract zero from 489, we get 489 - 0 = 489. Similarly, if we subtract zero from 870, we get 870 - 0 = 870.
  
  
  
• Closure
  Subtraction is a closed operation in the real numbers, meaning that the difference of any two real numbers is also a real number.
  489 is a real number;
  870 is a real number;
  -381 is a real number.