Solution - Long subtraction
0.271
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | ones | . | tenths | hundredths | thousandths |
| 0 | . | 8 | 5 | 6 | |
| - | 0 | . | 5 | 8 | 5 |
| . |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the thousandths column from the top number:
6-5=1
| Place value | ones | . | tenths | hundredths | thousandths |
| 0 | . | 8 | 5 | 6 | |
| - | 0 | . | 5 | 8 | 5 |
| . | 1 |
Because the upper digit (5) in the hundredths column is too small to get a positive difference, borrow 1 from the digit (8) in the next number place which becomes (7) and get (15).
| Place value | ones | . | tenths | hundredths | thousandths |
| 7 | 15 | ||||
| 0 | . | 8 | 5 | 6 | |
| - | 0 | . | 5 | 8 | 5 |
| . | 1 |
Subtract the numbers in the hundredths column from the top number:
15-8=7
| Place value | ones | . | tenths | hundredths | thousandths |
| 7 | 15 | ||||
| 0 | . | 8 | 5 | 6 | |
| - | 0 | . | 5 | 8 | 5 |
| . | 7 | 1 |
Subtract the numbers in the tenths column from the top number:
7-5=2
| Place value | ones | . | tenths | hundredths | thousandths |
| 7 | 15 | ||||
| 0 | . | 8 | 5 | 6 | |
| - | 0 | . | 5 | 8 | 5 |
| . | 2 | 7 | 1 |
Subtract the numbers in the ones column from the top number:
0-0=0
| Place value | ones | . | tenths | hundredths | thousandths |
| 7 | 15 | ||||
| 0 | . | 8 | 5 | 6 | |
| - | 0 | . | 5 | 8 | 5 |
| 0 | . | 2 | 7 | 1 |
The solution is: 0.271
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