Arithmetic Homework Help : Decimal Addition

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Type the sum obtained on adding the following decimals.

1. 3.6
+ 3.3

Answer: 6.9

36 + 33 = 69
There is 1 decimal place in the numbers being added.
So the sum must have 1 decimal place.
Thus, 3.6 + 3.3 = 6.9

2. 49.2
+ 24.1

Answer: 73.3

492 + 241 = 733
There is 1 decimal place in the numbers being added.
So the sum must have 1 decimal place.
Thus, 49.2 + 24.1 = 73.3

3. 0.49
+ 0.36

Answer: 0.85

49 + 36 = 85
There are 2 decimal places in the numbers being added.
So the sum must have 2 decimal places.
Thus, 0.49 + 0.36 = 0.85

4. 4.26
+ 3.63

Answer: 7.89

426 + 363 = 789
There are 2 decimal places in the numbers being added.
So the sum must have 2 decimal places.
Thus, 4.26 + 3.63 = 7.89

5. 13.18
+ 17.25

Answer: 30.43

1318 + 1725 = 3043
There are 2 decimal places in the numbers being added.
So the sum must have 2 decimal places.
Thus, 13.18 + 17.25 = 30.43