Soluzione - Long subtraction
5,111
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | ones | . | tenths | hundredths | thousandths |
| 7 | , | 6 | 5 | ||
| - | 2 | , | 5 | 3 | 9 |
| , |
Put zeros in the blank number places:
| Place value | ones | . | tenths | hundredths | thousandths |
| 7 | , | 6 | 5 | 0 | |
| - | 2 | , | 5 | 3 | 9 |
| , |
2. Subtract the numbers using long subtraction method
Because the upper digit (0) in the thousandths 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 | ones | . | tenths | hundredths | thousandths |
| 4 | 10 | ||||
| 7 | , | 6 | 5 | 0 | |
| - | 2 | , | 5 | 3 | 9 |
| , |
Subtract the numbers in the thousandths column from the top number:
10-0-9=1
| Place value | ones | . | tenths | hundredths | thousandths |
| 4 | 10 | ||||
| 7 | , | 6 | 5 | 0 | |
| - | 2 | , | 5 | 3 | 9 |
| , | 1 |
Subtract the numbers in the hundredths column from the top number:
4-3=1
| Place value | ones | . | tenths | hundredths | thousandths |
| 4 | 10 | ||||
| 7 | , | 6 | 5 | 0 | |
| - | 2 | , | 5 | 3 | 9 |
| , | 1 | 1 |
Subtract the numbers in the tenths column from the top number:
6-5=1
| Place value | ones | . | tenths | hundredths | thousandths |
| 4 | 10 | ||||
| 7 | , | 6 | 5 | 0 | |
| - | 2 | , | 5 | 3 | 9 |
| , | 1 | 1 | 1 |
Subtract the numbers in the ones column from the top number:
7-2=5
| Place value | ones | . | tenths | hundredths | thousandths |
| 4 | 10 | ||||
| 7 | , | 6 | 5 | 0 | |
| - | 2 | , | 5 | 3 | 9 |
| 5 | , | 1 | 1 | 1 |
The solution is: 5,111
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