Subtraction

Definition of Subtraction

  • Subtraction is a mathematical operation that tells us the difference between two numbers.
  • In other words, subtraction is the process of finding how many are left when some are taken away.
  • Subtraction is the opposite or inverse operation of addition.

Examples of Subtraction

  • The following are simple subtraction problems.

5 - 5 = 0

2 – 4 = - 2

6 – 5 = 1

10 – 6 = 4

5.3 – 1.1 = 4.2

Solved Example on Subtraction

Edward had 7 chocolates with him. He gave 5 chocolates to his younger brother. How many chocolates is he left with now?

Choices:

A.  2

B.  7

C.  5

D.  12

Correct Answer: A

Solution:

Step 1: Total chocolates – the chocolates given to his brother = the remaining chocolates with him

Step 2: 7 – 5 = 2    [Subtract 5 from 7.]

Step 3: Edward is left with 2 chocolates now.                  

                

Related Terms for Subtraction

  • Operation
  • Difference
  • Inverse Operation

Additional Links for Subtraction