Solution - Long subtraction
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 1 | 3 | 3 | 0 | 0 | 0 | |
| - | 4 | 9 | 0 | 0 | 0 | |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the ones column from the top number:
0-0=0
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 1 | 3 | 3 | 0 | 0 | 0 | |
| - | 4 | 9 | 0 | 0 | 0 | |
| 0 |
Subtract the numbers in the tens column from the top number:
0-0=0
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 1 | 3 | 3 | 0 | 0 | 0 | |
| - | 4 | 9 | 0 | 0 | 0 | |
| 0 | 0 |
Subtract the numbers in the hundreds column from the top number:
0-0=0
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 1 | 3 | 3 | 0 | 0 | 0 | |
| - | 4 | 9 | 0 | 0 | 0 | |
| 0 | 0 | 0 |
Because the upper digit (3) in the thousands column is too small to get a positive difference, borrow 1 from the digit (3) in the next number place which becomes (2) and get (13).
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 2 | 13 | |||||
| 1 | 3 | 3 | 0 | 0 | 0 | |
| - | 4 | 9 | 0 | 0 | 0 | |
| 0 | 0 | 0 |
Subtract the numbers in the thousands column from the top number:
13-9=4
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 2 | 13 | |||||
| 1 | 3 | 3 | 0 | 0 | 0 | |
| - | 4 | 9 | 0 | 0 | 0 | |
| 4 | 0 | 0 | 0 |
Because the upper digit (2) in the ten thousands column is too small to get a positive difference, borrow 1 from the digit (1) in the next number place which becomes (0) and get (12).
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 0 | 12 | |||||
| 2 | 13 | |||||
| 1 | 3 | 3 | 0 | 0 | 0 | |
| - | 4 | 9 | 0 | 0 | 0 | |
| 4 | 0 | 0 | 0 |
Subtract the numbers in the ten thousands column from the top number:
12-4=8
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 0 | 12 | |||||
| 2 | 13 | |||||
| 1 | 3 | 3 | 0 | 0 | 0 | |
| - | 4 | 9 | 0 | 0 | 0 | |
| 8 | 4 | 0 | 0 | 0 |
Write 0 in the hundred thousands place.
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 0 | 12 | |||||
| 2 | 13 | |||||
| 1 | 3 | 3 | 0 | 0 | 0 | |
| - | 4 | 9 | 0 | 0 | 0 | |
| 0 | 8 | 4 | 0 | 0 | 0 |
The solution is: 84,000
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