Arithmetic Homework Help : Decimal Addition

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Type the sum obtained on adding the following decimals.

1. 4.1
+ 2.4

Answer: 6.5

41 + 24 = 65
There is 1 decimal place in the numbers being added.
So the sum must have 1 decimal place.
Thus, 4.1 + 2.4 = 6.5

2. 20.2
+ 23.3

Answer: 43.5

202 + 233 = 435
There is 1 decimal place in the numbers being added.
So the sum must have 1 decimal place.
Thus, 20.2 + 23.3 = 43.5

3. 0.41
+ 0.37

Answer: 0.78

41 + 37 = 78
There are 2 decimal places in the numbers being added.
So the sum must have 2 decimal places.
Thus, 0.41 + 0.37 = 0.78

4. 3.4
+ 3.96

Answer: 7.36

340 + 396 = 736
There are 2 decimal places in the numbers being added.
So the sum must have 2 decimal places.
Thus, 3.4 + 3.96 = 7.36

5. 15.76
+ 27.87

Answer: 43.63

1576 + 2787 = 4363
There are 2 decimal places in the numbers being added.
So the sum must have 2 decimal places.
Thus, 15.76 + 27.87 = 43.63