Subtraction vs. Substraction — Which is Correct Spelling?

The arithmetic operation of finding the difference between two quantities or numbers.

Subtraction is an arithmetic operation that represents the operation of removing objects from a collection. Subtraction is signified by the minus sign, −.

The act or process of subtracting; deduction.

The process of subtracting a number from another.

A calculation involving subtracting.

The removal of something.

The act or operation of subtracting or taking away a part.

The taking of a lesser number or quantity from a greater of the same kind or denomination; an operation for finding the difference between two numbers or quantities.

The withdrawing or withholding from a person of some right to which he is entitled by law.

An arithmetic operation in which the difference between two numbers is calculated;

The act of subtracting (removing a part from the whole);