Addition of Decimals


Decimals - Concepts
Class - 5th Foundation NTSE Subjects
 
 
Concept Explanation
 

Addition of Decimals

Addition of decimal: To add the decimals, follow these steps:

  • Step 1:  Line up the numbers vertically so that the decimal points all lie on a vertical line.
  • Step 2:  Add extra zeros to the right of the number so that each number has the same number of digits to the right of the decimal place.
  • Step 3:  Add the numbers as you would do in the case of whole numbers.  Place the decimal point of the result in line with the other decimal points.
  • Illustration: Add the given decimals: 93.59 + 4.7

    Solution

    Step 1:   93.59    Notice the decimal points in line.               4.7 

    Step 2:      93.59                         4.70 

            We added this 0 so both numbers have 2 digits to the right of the decimal point.

               small  93.59 underline{+4.70}98.29

    Example: Add 1.452 to 1.3

    Solution: Make the decimals as like decimals.1.3 becomes 1.300.

    small 1.452 underline{1.300} 2.752

     
    Sample Questions
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    Question : 1

    Add the decimal points : 45.23 +  5.2

    Right Option : D
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    Explanation
    Question : 2

    Add the decimals 1.323 + 1.2

    Right Option : C
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    Explanation
    Question : 3

    Find the value of the following: 46.95  +  470.9204

    Right Option : A
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    Explanation
     
     
     
     


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