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Arithmetic Homework Help : Decimal Addition

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Type the sum obtained on adding the following decimals.

1.    4.3
+ 3.5
Answer: 7.8
 43  + 35  = 78 
There is 1 decimal place in the numbers being added.
So the sum must have 1 decimal place.
Thus, 4.3 + 3.5 = 7.8 


2.    41.3
+ 32.8
Answer: 74.1
 413  + 328  = 741 
There is 1 decimal place in the numbers being added.
So the sum must have 1 decimal place.
Thus, 41.3 + 32.8 = 74.1 


3.    0.45
+ 0.35
Answer: 0.8
 45  + 35  = 80
There are 2 decimal places in the numbers being added.
So the sum must have 2 decimal places.
Thus, 0.45  + 0.35 = 0.8



4.    1.79
+ 4.26
Answer: 6.05
 179  + 426  = 605 
There are 2 decimal places in the numbers being added.
So the sum must have 2 decimal places.
Thus, 1.79 + 4.26 = 6.05


5.    37.43
+ 36.01
Answer: 73.44
 3743 + 3601 = 7344
There are 2 decimal places in the numbers being added.
So the sum must have 2 decimal places.
Thus, 37.43  + 36.01  = 73.44


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