Column Addition Of Three Numbers


 
 
Concept Explanation
 

Column Addition of Three Numbers

Addition of three numbers can be performed by placing the numbers in column form one below the other.

Let us perform the following addition

45 + 23 + 11 = ?

We will place the numbers such that the tens digit is below tens column and ones digit below ones column as shown below

We will first add the digits at ones place that is 5, 3, 1  and the result will be 9 which will be placed in the ones column of the answer

Then we will add the digits at tens place that is 4, 2, 1  and the result will be 7 which will be placed in the tens column of the answer

As  shown in the figure below

The final result will be 79

Illustration 1: Fill in the blank

A. 8  

B. 4

C. 1

Answer: A

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