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 | 0 | 5 | 0 | 3 | 7 | |
| - | 6 | 7 | 3 | 8 | 9 | |
2. Subtract the numbers using long subtraction method
Because the upper digit (7) in the ones 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 (17).
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 2 | 17 | |||||
| 1 | 0 | 5 | 0 | 3 | 7 | |
| - | 6 | 7 | 3 | 8 | 9 | |
Subtract the numbers in the ones column from the top number:
17-9=8
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 2 | 17 | |||||
| 1 | 0 | 5 | 0 | 3 | 7 | |
| - | 6 | 7 | 3 | 8 | 9 | |
| 8 |
Because the upper digit (2) in the tens column is too small to get a positive difference, borrow 1 from the number to the left (50) which becomes (49) and get (12).
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 4 | 9 | 12 | ||||
| 2 | 17 | |||||
| 1 | 0 | 5 | 0 | 3 | 7 | |
| - | 6 | 7 | 3 | 8 | 9 | |
| 8 |
Subtract the numbers in the tens column from the top number:
12-8=4
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 4 | 9 | 12 | ||||
| 2 | 17 | |||||
| 1 | 0 | 5 | 0 | 3 | 7 | |
| - | 6 | 7 | 3 | 8 | 9 | |
| 4 | 8 |
Subtract the numbers in the hundreds column from the top number:
9-3=6
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 4 | 9 | 12 | ||||
| 2 | 17 | |||||
| 1 | 0 | 5 | 0 | 3 | 7 | |
| - | 6 | 7 | 3 | 8 | 9 | |
| 6 | 4 | 8 |
Because the upper digit (4) in the thousands column is too small to get a positive difference, borrow 1 from the number to the left (10) which becomes (09) and get (14).
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 0 | 9 | 14 | ||||
| 4 | 9 | 12 | ||||
| 2 | 17 | |||||
| 1 | 0 | 5 | 0 | 3 | 7 | |
| - | 6 | 7 | 3 | 8 | 9 | |
| 6 | 4 | 8 |
Subtract the numbers in the thousands column from the top number:
14-7=7
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 0 | 9 | 14 | ||||
| 4 | 9 | 12 | ||||
| 2 | 17 | |||||
| 1 | 0 | 5 | 0 | 3 | 7 | |
| - | 6 | 7 | 3 | 8 | 9 | |
| 7 | 6 | 4 | 8 |
Subtract the numbers in the ten thousands column from the top number:
9-6=3
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 0 | 9 | 14 | ||||
| 4 | 9 | 12 | ||||
| 2 | 17 | |||||
| 1 | 0 | 5 | 0 | 3 | 7 | |
| - | 6 | 7 | 3 | 8 | 9 | |
| 3 | 7 | 6 | 4 | 8 |
Write 0 in the hundred thousands place.
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 0 | 9 | 14 | ||||
| 4 | 9 | 12 | ||||
| 2 | 17 | |||||
| 1 | 0 | 5 | 0 | 3 | 7 | |
| - | 6 | 7 | 3 | 8 | 9 | |
| 0 | 3 | 7 | 6 | 4 | 8 |
The solution is: 37,648
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