Soluzione - Long subtraction
22,609
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | tens | ones | . | tenths | hundredths | thousandths |
| 2 | 3 | , | 8 | 2 | 7 | |
| - | 1 | , | 2 | 1 | 8 | |
| , |
2. Subtract the numbers using long subtraction method
Because the upper digit (7) in the thousandths column is too small to get a positive difference, borrow 1 from the digit (2) in the next number place which becomes (1) and get (17).
| Place value | tens | ones | . | tenths | hundredths | thousandths |
| 1 | 17 | |||||
| 2 | 3 | , | 8 | 2 | 7 | |
| - | 1 | , | 2 | 1 | 8 | |
| , |
Subtract the numbers in the thousandths column from the top number:
17-8=9
| Place value | tens | ones | . | tenths | hundredths | thousandths |
| 1 | 17 | |||||
| 2 | 3 | , | 8 | 2 | 7 | |
| - | 1 | , | 2 | 1 | 8 | |
| , | 9 |
Subtract the numbers in the hundredths column from the top number:
1-1=0
| Place value | tens | ones | . | tenths | hundredths | thousandths |
| 1 | 17 | |||||
| 2 | 3 | , | 8 | 2 | 7 | |
| - | 1 | , | 2 | 1 | 8 | |
| , | 0 | 9 |
Subtract the numbers in the tenths column from the top number:
8-2=6
| Place value | tens | ones | . | tenths | hundredths | thousandths |
| 1 | 17 | |||||
| 2 | 3 | , | 8 | 2 | 7 | |
| - | 1 | , | 2 | 1 | 8 | |
| , | 6 | 0 | 9 |
Subtract the numbers in the ones column from the top number:
3-1=2
| Place value | tens | ones | . | tenths | hundredths | thousandths |
| 1 | 17 | |||||
| 2 | 3 | , | 8 | 2 | 7 | |
| - | 1 | , | 2 | 1 | 8 | |
| 2 | , | 6 | 0 | 9 |
Write 2 in the tens place.
| Place value | tens | ones | . | tenths | hundredths | thousandths |
| 1 | 17 | |||||
| 2 | 3 | , | 8 | 2 | 7 | |
| - | 1 | , | 2 | 1 | 8 | |
| 2 | 2 | , | 6 | 0 | 9 |
The solution is: 22,609
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