Solution - Long subtraction
5,303
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | thousands | hundreds | tens | ones |
| 5 | 3 | 8 | 1 | |
| - | 7 | 8 | ||
2. Subtract the numbers using long subtraction method
Because the upper digit (1) in the ones 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 (11).
| Place value | thousands | hundreds | tens | ones |
| 7 | 11 | |||
| 5 | 3 | 8 | 1 | |
| - | 7 | 8 | ||
Subtract the numbers in the ones column from the top number:
11-8=3
| Place value | thousands | hundreds | tens | ones |
| 7 | 11 | |||
| 5 | 3 | 8 | 1 | |
| - | 7 | 8 | ||
| 3 |
Subtract the numbers in the tens column from the top number:
7-7=0
| Place value | thousands | hundreds | tens | ones |
| 7 | 11 | |||
| 5 | 3 | 8 | 1 | |
| - | 7 | 8 | ||
| 0 | 3 |
Write 3 in the hundreds place.
| Place value | thousands | hundreds | tens | ones |
| 7 | 11 | |||
| 5 | 3 | 8 | 1 | |
| - | 7 | 8 | ||
| 3 | 0 | 3 |
Write 5 in the thousands place.
| Place value | thousands | hundreds | tens | ones |
| 7 | 11 | |||
| 5 | 3 | 8 | 1 | |
| - | 7 | 8 | ||
| 5 | 3 | 0 | 3 |
The solution is: 5,303
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