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 |
| 7 | 5 | 0 | 0 | 0 | 0 | |
| - | 8 | 6 | 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 |
| 7 | 5 | 0 | 0 | 0 | 0 | |
| - | 8 | 6 | 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 |
| 7 | 5 | 0 | 0 | 0 | 0 | |
| - | 8 | 6 | 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 |
| 7 | 5 | 0 | 0 | 0 | 0 | |
| - | 8 | 6 | 0 | 0 | 0 | |
| 0 | 0 | 0 |
Because the upper digit (0) in the thousands column is too small to get a positive difference, borrow 1 from the digit (5) in the next number place which becomes (4) and get (10).
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 4 | 10 | |||||
| 7 | 5 | 0 | 0 | 0 | 0 | |
| - | 8 | 6 | 0 | 0 | 0 | |
| 0 | 0 | 0 |
Subtract the numbers in the thousands column from the top number:
10-6=4
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 4 | 10 | |||||
| 7 | 5 | 0 | 0 | 0 | 0 | |
| - | 8 | 6 | 0 | 0 | 0 | |
| 4 | 0 | 0 | 0 |
Because the upper digit (4) in the ten thousands column is too small to get a positive difference, borrow 1 from the digit (7) in the next number place which becomes (6) and get (14).
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 6 | 14 | |||||
| 4 | 10 | |||||
| 7 | 5 | 0 | 0 | 0 | 0 | |
| - | 8 | 6 | 0 | 0 | 0 | |
| 4 | 0 | 0 | 0 |
Subtract the numbers in the ten thousands column from the top number:
14-8=6
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 6 | 14 | |||||
| 4 | 10 | |||||
| 7 | 5 | 0 | 0 | 0 | 0 | |
| - | 8 | 6 | 0 | 0 | 0 | |
| 6 | 4 | 0 | 0 | 0 |
Write 6 in the hundred thousands place.
| Place value | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 6 | 14 | |||||
| 4 | 10 | |||||
| 7 | 5 | 0 | 0 | 0 | 0 | |
| - | 8 | 6 | 0 | 0 | 0 | |
| 6 | 6 | 4 | 0 | 0 | 0 |
The solution is: 664,000
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