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.

Video Examples: Basic Subtraction Math Lesson - Learn to Subtract

Example 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

Ques: 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.

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