0.9 - 0.325

Understand the Problem

The question is asking to perform a subtraction operation between two decimal numbers, specifically 0.9 and 0.325.

Answer

$0.575$

Steps to Solve

Align the decimal numbers

To perform the subtraction, we should align the decimals of the two numbers:

  0.900
- 0.325

Subtract the numbers starting from the right

Begin subtracting from the rightmost digit, borrowing as needed:

Start with the thousandths place: $0 - 5$. Since we cannot subtract 5 from 0, we need to borrow from the hundredths place.
The hundredths place becomes $0 - 1 = 9$ (after borrowing), and the thousandths place becomes $10 - 5 = 5$.

Now we have:

  0.89(10)
- 0.325
   ------
      5

Moving to the hundredths place: $9 - 2 = 7$.

  0.89
- 0.32(2)
   ------
     75

Lastly, subtract the tenths place: $8 - 3 = 5$.

  0.8(9)
- 0.3(2)
   ------
    575

Now we can compile our results.

Write the final answer

Combining the results, we subtract and get the final answer represented as:

$$ 0.900 - 0.325 = 0.575 $$

The result of the subtraction is $0.575$.

More Information

Subtracting decimal numbers involves careful alignment of the numbers and attention to borrowing. In everyday situations, this can relate to budgeting or measuring precisely.

Tips

Failing to properly align the decimal points when performing subtraction.
Forgetting to borrow when the digit on the top is smaller than the digit on the bottom in a column.
Misplacing a decimal in the final answer.

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