Solution - Long subtraction
24,320
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 |
| 2 | 4 | 6 | 1 | 8 | |
| - | 2 | 9 | 8 | ||
2. Subtract the numbers using long subtraction method
Subtract the numbers in the ones column from the top number:
8-8=0
| Place value | ten thousands | thousands | hundreds | tens | ones |
| 2 | 4 | 6 | 1 | 8 | |
| - | 2 | 9 | 8 | ||
| 0 |
Because the upper digit (1) in the tens 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 (11).
| Place value | ten thousands | thousands | hundreds | tens | ones |
| 5 | 11 | ||||
| 2 | 4 | 6 | 1 | 8 | |
| - | 2 | 9 | 8 | ||
| 0 |
Subtract the numbers in the tens column from the top number:
11-9=2
| Place value | ten thousands | thousands | hundreds | tens | ones |
| 5 | 11 | ||||
| 2 | 4 | 6 | 1 | 8 | |
| - | 2 | 9 | 8 | ||
| 2 | 0 |
Subtract the numbers in the hundreds column from the top number:
5-2=3
| Place value | ten thousands | thousands | hundreds | tens | ones |
| 5 | 11 | ||||
| 2 | 4 | 6 | 1 | 8 | |
| - | 2 | 9 | 8 | ||
| 3 | 2 | 0 |
Write 4 in the thousands place.
| Place value | ten thousands | thousands | hundreds | tens | ones |
| 5 | 11 | ||||
| 2 | 4 | 6 | 1 | 8 | |
| - | 2 | 9 | 8 | ||
| 4 | 3 | 2 | 0 |
Write 2 in the ten thousands place.
| Place value | ten thousands | thousands | hundreds | tens | ones |
| 5 | 11 | ||||
| 2 | 4 | 6 | 1 | 8 | |
| - | 2 | 9 | 8 | ||
| 2 | 4 | 3 | 2 | 0 |
The solution is: 24,320
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