Soluzione - Long subtraction
50.006.500
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | ten millions | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 5 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | |
| - | 1 | 5 | 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 | ten millions | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 5 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | |
| - | 1 | 5 | 0 | 0 | ||||
| 0 |
Subtract the numbers in the tens column from the top number:
0-0=0
| Place value | ten millions | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 5 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | |
| - | 1 | 5 | 0 | 0 | ||||
| 0 | 0 |
Because the upper digit (0) in the hundreds column is too small to get a positive difference, borrow 1 from the digit (8) in the next number place which becomes (7) and get (10).
| Place value | ten millions | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 7 | 10 | |||||||
| 5 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | |
| - | 1 | 5 | 0 | 0 | ||||
| 0 | 0 |
Subtract the numbers in the hundreds column from the top number:
10-5=5
| Place value | ten millions | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 7 | 10 | |||||||
| 5 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | |
| - | 1 | 5 | 0 | 0 | ||||
| 5 | 0 | 0 |
Subtract the numbers in the thousands column from the top number:
7-1=6
| Place value | ten millions | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 7 | 10 | |||||||
| 5 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | |
| - | 1 | 5 | 0 | 0 | ||||
| 6 | 5 | 0 | 0 |
Write 0 in the ten thousands place.
| Place value | ten millions | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 7 | 10 | |||||||
| 5 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | |
| - | 1 | 5 | 0 | 0 | ||||
| 0 | 6 | 5 | 0 | 0 |
Write 0 in the hundred thousands place.
| Place value | ten millions | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 7 | 10 | |||||||
| 5 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | |
| - | 1 | 5 | 0 | 0 | ||||
| 0 | 0 | 6 | 5 | 0 | 0 |
Write 0 in the millions place.
| Place value | ten millions | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 7 | 10 | |||||||
| 5 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | |
| - | 1 | 5 | 0 | 0 | ||||
| 0 | 0 | 0 | 6 | 5 | 0 | 0 |
Write 5 in the ten millions place.
| Place value | ten millions | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 7 | 10 | |||||||
| 5 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | |
| - | 1 | 5 | 0 | 0 | ||||
| 5 | 0 | 0 | 0 | 6 | 5 | 0 | 0 |
The solution is: 50,006,500
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