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Arithmetic Homework Help : Decimal Addition

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Type the sum obtained on adding the following decimals.


1.    1.6
+ 3.4
Answer: 5.0
 16  + 34  = 50 
There is 1 decimal place in the numbers being added.
So the sum must have 1 decimal place.
Thus, 1.6 + 3.4 = 5.0 

2.    24.6
+ 29.5
Answer: 54.1
 246  + 295  = 541 
There is 1 decimal place in the numbers being added.
So the sum must have 1 decimal place.
Thus, 24.6 + 29.5 = 54.1 

3.    0.45
+ 0.16
Answer: 0.61
 45  + 16  = 61
There are 2 decimal places in the numbers being added.
So the sum must have 2 decimal places.
Thus, 0.45  + 0.16 = 0.61


4.    2.9
+ 1.37
Answer: 4.27
 290  + 137  = 427 
There are 2 decimal places in the numbers being added.
So the sum must have 2 decimal places.
Thus, 2.9 + 1.37 = 4.27

5.    33.30
+ 35.05
Answer: 68.35
 3330 + 3505 = 6835
There are 2 decimal places in the numbers being added.
So the sum must have 2 decimal places.
Thus, 33.30  + 35.05  = 68.35

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