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Arithmetic Homework Help : Decimal Subtraction

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Quiz : Type the difference obtained on subtracting the following decimals.


1.    4.3
− 1.1
Answer: 3.2
43 − 11 = 32
There is 1 decimal place in the numbers being subtracted.
So the difference must have 1 decimal place.
Thus, 4.3 − 1.1 = 3.2

2.    41.8
− 27.6
Answer: 14.2
 418 − 276 = 142 
There is 1 decimal place in the numbers being subtracted.
So the difference must have 1 decimal place..
Thus, 41.8 − 27.6 = 14.2

3.    0.48
− 0.22 
Answer: 0.26
48 − 22 = 26 
There are 2 decimal places in the numbers being subtracted.
So the difference must have 2 decimal places.
Thus, 0.48 − 0.22 = 0.26


4.    4.89
− 2.87
Answer: 2.02
489 − 287 = 202 
There are 2 decimal places in the numbers being subtracted.
So the difference must have 2 decimal places.
Thus, 4.89 − 2.87 = 2.02

5.    54.34
− 15.07
Answer: 39.27
5434 − 1507 = 3927 
There are 2 decimal places in the numbers being subtracted.
So the difference must have 2 decimal places.
Thus, 54.34 − 15.07 = 39.27

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