Soluzione - Long subtraction
1,721
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | ones | . | tenths | hundredths | thousandths |
| 6 | , | 7 | 2 | 1 | |
| - | 5 | ||||
| , |
Put zeros in the blank number places:
| Place value | ones | . | tenths | hundredths | thousandths |
| 6 | , | 7 | 2 | 1 | |
| - | 5 | , | 0 | 0 | 0 |
| , |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the thousandths column from the top number:
1-0=1
| Place value | ones | . | tenths | hundredths | thousandths |
| 6 | , | 7 | 2 | 1 | |
| - | 5 | , | 0 | 0 | 0 |
| , | 1 |
Subtract the numbers in the hundredths column from the top number:
2-0=2
| Place value | ones | . | tenths | hundredths | thousandths |
| 6 | , | 7 | 2 | 1 | |
| - | 5 | , | 0 | 0 | 0 |
| , | 2 | 1 |
Subtract the numbers in the tenths column from the top number:
7-0=7
| Place value | ones | . | tenths | hundredths | thousandths |
| 6 | , | 7 | 2 | 1 | |
| - | 5 | , | 0 | 0 | 0 |
| , | 7 | 2 | 1 |
Subtract the numbers in the ones column from the top number:
6-5=1
| Place value | ones | . | tenths | hundredths | thousandths |
| 6 | , | 7 | 2 | 1 | |
| - | 5 | , | 0 | 0 | 0 |
| 1 | , | 7 | 2 | 1 |
The solution is: 1,721
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