Subtraction is one of the four basic operations in arithmetic. The other operations are addition, multiplication, and division.
Subtraction is a way of finding the difference between two numbers. This is done by taking one number away from another number.
For example, if we take 4 away from 10 to get 6, we write the subtraction as
10 - 4 = 6
You can also say that the difference between 10 and 4 is 6.
Subtraction usually helps us answer the following questions: