Soluzione - Long subtraction
17,5
Spiegazione passo passo
1. Rewrite the numbers from top to bottom, aligned by their place values
Place value | tens | ones | . | tenths |
1 | 9 | , | 6 | |
- | 2 | , | 1 | |
, |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the tenths column from the top number:
6-1=5
Place value | tens | ones | . | tenths |
1 | 9 | , | 6 | |
- | 2 | , | 1 | |
, | 5 |
Subtract the numbers in the ones column from the top number:
9-2=7
Place value | tens | ones | . | tenths |
1 | 9 | , | 6 | |
- | 2 | , | 1 | |
7 | , | 5 |
Write 1 in the tens place.
Place value | tens | ones | . | tenths |
1 | 9 | , | 6 | |
- | 2 | , | 1 | |
1 | 7 | , | 5 |
The solution is: 17,5
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