Solution - Long subtraction
149,122
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 |
| 3 | 0 | 3 | 4 | 4 | 8 | |
| - | 1 | 5 | 4 | 3 | 2 | 6 |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the ones column from the top number:
8-6=2
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 3 | 0 | 3 | 4 | 4 | 8 | |
| - | 1 | 5 | 4 | 3 | 2 | 6 |
| 2 |
Subtract the numbers in the tens column from the top number:
4-2=2
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 3 | 0 | 3 | 4 | 4 | 8 | |
| - | 1 | 5 | 4 | 3 | 2 | 6 |
| 2 | 2 |
Subtract the numbers in the hundreds column from the top number:
4-3=1
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 3 | 0 | 3 | 4 | 4 | 8 | |
| - | 1 | 5 | 4 | 3 | 2 | 6 |
| 1 | 2 | 2 |
Because the upper digit (3) in the thousands column is too small to get a positive difference, borrow 1 from the number to the left (30) which becomes (29) and get (13).
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 2 | 9 | 13 | ||||
| 3 | 0 | 3 | 4 | 4 | 8 | |
| - | 1 | 5 | 4 | 3 | 2 | 6 |
| 1 | 2 | 2 |
Subtract the numbers in the thousands column from the top number:
13-4=9
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 2 | 9 | 13 | ||||
| 3 | 0 | 3 | 4 | 4 | 8 | |
| - | 1 | 5 | 4 | 3 | 2 | 6 |
| 9 | 1 | 2 | 2 |
Subtract the numbers in the ten thousands column from the top number:
9-5=4
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 2 | 9 | 13 | ||||
| 3 | 0 | 3 | 4 | 4 | 8 | |
| - | 1 | 5 | 4 | 3 | 2 | 6 |
| 4 | 9 | 1 | 2 | 2 |
Subtract the numbers in the hundred thousands column from the top number:
2-1=1
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 2 | 9 | 13 | ||||
| 3 | 0 | 3 | 4 | 4 | 8 | |
| - | 1 | 5 | 4 | 3 | 2 | 6 |
| 1 | 4 | 9 | 1 | 2 | 2 |
The solution is: 149,122
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