Arithmetic Homework Help : Decimal Addition

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Type the sum obtained on adding the following decimals.

1. 4.3
+ 2.4

Answer: 6.7

43 + 24 = 67
There is 1 decimal place in the numbers being added.
So the sum must have 1 decimal place.
Thus, 4.3 + 2.4 = 6.7

2. 32.5
+ 43.3

Answer: 75.8

325 + 433 = 758
There is 1 decimal place in the numbers being added.
So the sum must have 1 decimal place.
Thus, 32.5 + 43.3 = 75.8

3. 0.25
+ 0.49

Answer: 0.74

25 + 49 = 74
There are 2 decimal places in the numbers being added.
So the sum must have 2 decimal places.
Thus, 0.25 + 0.49 = 0.74

4. 3.46
+ 2.58

Answer: 6.04

346 + 258 = 604
There are 2 decimal places in the numbers being added.
So the sum must have 2 decimal places.
Thus, 3.46 + 2.58 = 6.04

5. 29.85
+ 20.66

Answer: 50.51

2985 + 2066 = 5051
There are 2 decimal places in the numbers being added.
So the sum must have 2 decimal places.
Thus, 29.85 + 20.66 = 50.51