Solution - Long subtraction
4.727
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | ones | . | tenths | hundredths | thousandths |
| 8 | . | 2 | 6 | 4 | |
| - | 3 | . | 5 | 3 | 7 |
| . |
2. Subtract the numbers using long subtraction method
Because the upper digit (4) in the thousandths column is too small to get a positive difference, borrow 1 from the digit (6) in the next number place which becomes (5) and get (14).
| Place value | ones | . | tenths | hundredths | thousandths |
| 5 | 14 | ||||
| 8 | . | 2 | 6 | 4 | |
| - | 3 | . | 5 | 3 | 7 |
| . |
Subtract the numbers in the thousandths column from the top number:
14-7=7
| Place value | ones | . | tenths | hundredths | thousandths |
| 5 | 14 | ||||
| 8 | . | 2 | 6 | 4 | |
| - | 3 | . | 5 | 3 | 7 |
| . | 7 |
Subtract the numbers in the hundredths column from the top number:
5-3=2
| Place value | ones | . | tenths | hundredths | thousandths |
| 5 | 14 | ||||
| 8 | . | 2 | 6 | 4 | |
| - | 3 | . | 5 | 3 | 7 |
| . | 2 | 7 |
Because the upper digit (2) in the tenths 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 (12).
| Place value | ones | . | tenths | hundredths | thousandths |
| 7 | 12 | ||||
| 5 | 14 | ||||
| 8 | . | 2 | 6 | 4 | |
| - | 3 | . | 5 | 3 | 7 |
| . | 2 | 7 |
Subtract the numbers in the tenths column from the top number:
12-5=7
| Place value | ones | . | tenths | hundredths | thousandths |
| 7 | 12 | ||||
| 5 | 14 | ||||
| 8 | . | 2 | 6 | 4 | |
| - | 3 | . | 5 | 3 | 7 |
| . | 7 | 2 | 7 |
Subtract the numbers in the ones column from the top number:
7-3=4
| Place value | ones | . | tenths | hundredths | thousandths |
| 7 | 12 | ||||
| 5 | 14 | ||||
| 8 | . | 2 | 6 | 4 | |
| - | 3 | . | 5 | 3 | 7 |
| 4 | . | 7 | 2 | 7 |
The solution is: 4.727
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