Solution - Long subtraction
2,078,850
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 |
2 | 0 | 8 | 0 | 0 | 0 | 0 | |
- | 1 | 1 | 5 | 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 |
2 | 0 | 8 | 0 | 0 | 0 | 0 | |
- | 1 | 1 | 5 | 0 | |||
0 |
Because the upper digit (0) in the tens column is too small to get a positive difference, borrow 1 from the number to the left (800) which becomes (799) and get (10).
Place value | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
7 | 9 | 9 | 10 | ||||
2 | 0 | 8 | 0 | 0 | 0 | 0 | |
- | 1 | 1 | 5 | 0 | |||
0 |
Subtract the numbers in the tens column from the top number:
10-5=5
Place value | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
7 | 9 | 9 | 10 | ||||
2 | 0 | 8 | 0 | 0 | 0 | 0 | |
- | 1 | 1 | 5 | 0 | |||
5 | 0 |
Subtract the numbers in the hundreds column from the top number:
9-1=8
Place value | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
7 | 9 | 9 | 10 | ||||
2 | 0 | 8 | 0 | 0 | 0 | 0 | |
- | 1 | 1 | 5 | 0 | |||
8 | 5 | 0 |
Subtract the numbers in the thousands column from the top number:
9-1=8
Place value | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
7 | 9 | 9 | 10 | ||||
2 | 0 | 8 | 0 | 0 | 0 | 0 | |
- | 1 | 1 | 5 | 0 | |||
8 | 8 | 5 | 0 |
Write 7 in the ten thousands place.
Place value | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
7 | 9 | 9 | 10 | ||||
2 | 0 | 8 | 0 | 0 | 0 | 0 | |
- | 1 | 1 | 5 | 0 | |||
7 | 8 | 8 | 5 | 0 |
Write 0 in the hundred thousands place.
Place value | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
7 | 9 | 9 | 10 | ||||
2 | 0 | 8 | 0 | 0 | 0 | 0 | |
- | 1 | 1 | 5 | 0 | |||
0 | 7 | 8 | 8 | 5 | 0 |
Write 2 in the millions place.
Place value | millions | hundred thousands | ten thousands | thousands | hundreds | tens | ones |
7 | 9 | 9 | 10 | ||||
2 | 0 | 8 | 0 | 0 | 0 | 0 | |
- | 1 | 1 | 5 | 0 | |||
2 | 0 | 7 | 8 | 8 | 5 | 0 |
The solution is: 2,078,850
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