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Type the sum obtained on adding the following decimals. 
1. 2.1 + 1.7 Answer: 3.8 21 + 17 = 38
There is 1 decimal place in the numbers being added.
So the sum must have 1 decimal place.
Thus, 2.1 + 1.7 = 3.8
2. 38.7 + 25.2 Answer: 63.9 387 + 252 = 639
There is 1 decimal place in the numbers being added.
So the sum must have 1 decimal place.
Thus, 38.7 + 25.2 = 63.9
3. 0.37 + 0.36 Answer: 0.73 37 + 36 = 73
There are 2 decimal places in the numbers being added.
So the sum must have 2 decimal places.
Thus, 0.37 + 0.36 = 0.73
4. 4.02 + 1.78 Answer: 5.8 402 + 178 = 580
There are 2 decimal places in the numbers being added.
So the sum must have 2 decimal places.
Thus, 4.02 + 1.78 = 5.8
5. 36.74 + 45.75 Answer: 82.49 3674 + 4575 = 8249
There are 2 decimal places in the numbers being added.
So the sum must have 2 decimal places.
Thus, 36.74 + 45.75 = 82.49
Try the Quiz : Arithmetic Homework Help : Decimal Addition
