Solution - Long subtraction
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 4 | 0 | 4 | 0 | 0 | 0 | 0 | |
| - | 2 | 7 | 5 | 9 | 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 | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 4 | 0 | 4 | 0 | 0 | 0 | 0 | |
| - | 2 | 7 | 5 | 9 | 0 | 0 | |
| 0 |
Subtract the numbers in the tens column from the top number:
0-0=0
| Place value | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 4 | 0 | 4 | 0 | 0 | 0 | 0 | |
| - | 2 | 7 | 5 | 9 | 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 number to the left (40) which becomes (39) and get (10).
| Place value | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 3 | 9 | 10 | |||||
| 4 | 0 | 4 | 0 | 0 | 0 | 0 | |
| - | 2 | 7 | 5 | 9 | 0 | 0 | |
| 0 | 0 |
Subtract the numbers in the hundreds column from the top number:
10-9=1
| Place value | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 3 | 9 | 10 | |||||
| 4 | 0 | 4 | 0 | 0 | 0 | 0 | |
| - | 2 | 7 | 5 | 9 | 0 | 0 | |
| 1 | 0 | 0 |
Subtract the numbers in the thousands column from the top number:
9-5=4
| Place value | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 3 | 9 | 10 | |||||
| 4 | 0 | 4 | 0 | 0 | 0 | 0 | |
| - | 2 | 7 | 5 | 9 | 0 | 0 | |
| 4 | 1 | 0 | 0 |
Because the upper digit (3) in the ten thousands column is too small to get a positive difference, borrow 1 from the number to the left (40) which becomes (39) and get (13).
| Place value | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 3 | 9 | 13 | |||||
| 3 | 9 | 10 | |||||
| 4 | 0 | 4 | 0 | 0 | 0 | 0 | |
| - | 2 | 7 | 5 | 9 | 0 | 0 | |
| 4 | 1 | 0 | 0 |
Subtract the numbers in the ten thousands column from the top number:
13-7=6
| Place value | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 3 | 9 | 13 | |||||
| 3 | 9 | 10 | |||||
| 4 | 0 | 4 | 0 | 0 | 0 | 0 | |
| - | 2 | 7 | 5 | 9 | 0 | 0 | |
| 6 | 4 | 1 | 0 | 0 |
Subtract the numbers in the hundred thousands column from the top number:
9-2=7
| Place value | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 3 | 9 | 13 | |||||
| 3 | 9 | 10 | |||||
| 4 | 0 | 4 | 0 | 0 | 0 | 0 | |
| - | 2 | 7 | 5 | 9 | 0 | 0 | |
| 7 | 6 | 4 | 1 | 0 | 0 |
Write 3 in the millions place.
| Place value | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
| 3 | 9 | 13 | |||||
| 3 | 9 | 10 | |||||
| 4 | 0 | 4 | 0 | 0 | 0 | 0 | |
| - | 2 | 7 | 5 | 9 | 0 | 0 | |
| 3 | 7 | 6 | 4 | 1 | 0 | 0 |
The solution is: 3,764,100
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