Arithmetic Homework Help : Decimal Addition

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Type the sum obtained on adding the following decimals.

1. 2.5
+ 3.3

Answer: 5.8

25 + 33 = 58
There is 1 decimal place in the numbers being added.
So the sum must have 1 decimal place.
Thus, 2.5 + 3.3 = 5.8

2. 24.4
+ 26.5

Answer: 50.9

244 + 265 = 509
There is 1 decimal place in the numbers being added.
So the sum must have 1 decimal place.
Thus, 24.4 + 26.5 = 50.9

3. 0.45
+ 0.33

Answer: 0.78

45 + 33 = 78
There are 2 decimal places in the numbers being added.
So the sum must have 2 decimal places.
Thus, 0.45 + 0.33 = 0.78

4. 1.12
+ 3.34

Answer: 4.46

112 + 334 = 446
There are 2 decimal places in the numbers being added.
So the sum must have 2 decimal places.
Thus, 1.12 + 3.34 = 4.46

5. 15.18
+ 42.73

Answer: 57.91

1518 + 4273 = 5791
There are 2 decimal places in the numbers being added.
So the sum must have 2 decimal places.
Thus, 15.18 + 42.73 = 57.91