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Arithmetic Homework Help : Decimal Subtraction

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


1.    4.8
− 1.6
Answer: 3.2
48 − 16 = 32
There is 1 decimal place in the numbers being subtracted.
So the difference must have 1 decimal place.
Thus, 4.8 − 1.6 = 3.2

2.    45.6
− 34.4
Answer: 11.2
 456 − 344 = 112 
There is 1 decimal place in the numbers being subtracted.
So the difference must have 1 decimal place..
Thus, 45.6 − 34.4 = 11.2

3.    0.83
− 0.41 
Answer: 0.42
83 − 41 = 42 
There are 2 decimal places in the numbers being subtracted.
So the difference must have 2 decimal places.
Thus, 0.83 − 0.41 = 0.42


4.    4.06
− 1.06
Answer: 3
406 − 106 = 300 
There are 2 decimal places in the numbers being subtracted.
So the difference must have 2 decimal places.
Thus, 4.06 − 1.06 = 3

5.    82.65
− 44.84
Answer: 37.81
8265 − 4484 = 3781 
There are 2 decimal places in the numbers being subtracted.
So the difference must have 2 decimal places.
Thus, 82.65 − 44.84 = 37.81

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