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Arithmetic Homework Help : Decimal Subtraction

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


1.    7.2
− 2.6
Answer: 4.6
72 − 26 = 46
There is 1 decimal place in the numbers being subtracted.
So the difference must have 1 decimal place.
Thus, 7.2 − 2.6 = 4.6

2.    59.2
− 34.5
Answer: 24.7
 592 − 345 = 247 
There is 1 decimal place in the numbers being subtracted.
So the difference must have 1 decimal place..
Thus, 59.2 − 34.5 = 24.7

3.    0.39
− 0.24 
Answer: 0.15
39 − 24 = 15 
There are 2 decimal places in the numbers being subtracted.
So the difference must have 2 decimal places.
Thus, 0.39 − 0.24 = 0.15


4.    6.91
− 3.33
Answer: 3.58
691 − 333 = 358 
There are 2 decimal places in the numbers being subtracted.
So the difference must have 2 decimal places.
Thus, 6.91 − 3.33 = 3.58

5.    50.03
− 26.76
Answer: 23.27
5003 − 2676 = 2327 
There are 2 decimal places in the numbers being subtracted.
So the difference must have 2 decimal places.
Thus, 50.03 − 26.76 = 23.27

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