Solution - Long subtraction
62,515
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | ten thousands | thousands | hundreds | tens | ones |
| 9 | 0 | 0 | 0 | 0 | |
| - | 2 | 7 | 4 | 8 | 5 |
2. Subtract the numbers using long subtraction method
Because the upper digit (0) in the ones column is too small to get a positive difference, borrow 1 from the number to the left (9,000) which becomes (8,999) and get (10).
| Place value | ten thousands | thousands | hundreds | tens | ones |
| 8 | 9 | 9 | 9 | 10 | |
| 9 | 0 | 0 | 0 | 0 | |
| - | 2 | 7 | 4 | 8 | 5 |
Subtract the numbers in the ones column from the top number:
10-5=5
| Place value | ten thousands | thousands | hundreds | tens | ones |
| 8 | 9 | 9 | 9 | 10 | |
| 9 | 0 | 0 | 0 | 0 | |
| - | 2 | 7 | 4 | 8 | 5 |
| 5 |
Subtract the numbers in the tens column from the top number:
9-8=1
| Place value | ten thousands | thousands | hundreds | tens | ones |
| 8 | 9 | 9 | 9 | 10 | |
| 9 | 0 | 0 | 0 | 0 | |
| - | 2 | 7 | 4 | 8 | 5 |
| 1 | 5 |
Subtract the numbers in the hundreds column from the top number:
9-4=5
| Place value | ten thousands | thousands | hundreds | tens | ones |
| 8 | 9 | 9 | 9 | 10 | |
| 9 | 0 | 0 | 0 | 0 | |
| - | 2 | 7 | 4 | 8 | 5 |
| 5 | 1 | 5 |
Subtract the numbers in the thousands column from the top number:
9-7=2
| Place value | ten thousands | thousands | hundreds | tens | ones |
| 8 | 9 | 9 | 9 | 10 | |
| 9 | 0 | 0 | 0 | 0 | |
| - | 2 | 7 | 4 | 8 | 5 |
| 2 | 5 | 1 | 5 |
Subtract the numbers in the ten thousands column from the top number:
8-2=6
| Place value | ten thousands | thousands | hundreds | tens | ones |
| 8 | 9 | 9 | 9 | 10 | |
| 9 | 0 | 0 | 0 | 0 | |
| - | 2 | 7 | 4 | 8 | 5 |
| 6 | 2 | 5 | 1 | 5 |
The solution is: 62,515
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