Solution - Long subtraction
3.82
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
Place value | ones | . | tenths | hundredths |
7 | . | 0 | 6 | |
- | 3 | . | 2 | 4 |
. |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the hundredths column from the top number:
6-4=2
Place value | ones | . | tenths | hundredths |
7 | . | 0 | 6 | |
- | 3 | . | 2 | 4 |
. | 2 |
Because the upper digit (0) in the tenths column is too small to get a positive difference, borrow 1 from the digit (7) in the next number place which becomes (6) and get (10).
Place value | ones | . | tenths | hundredths |
6 | 10 | |||
7 | . | 0 | 6 | |
- | 3 | . | 2 | 4 |
. | 2 |
Subtract the numbers in the tenths column from the top number:
10-2=8
Place value | ones | . | tenths | hundredths |
6 | 10 | |||
7 | . | 0 | 6 | |
- | 3 | . | 2 | 4 |
. | 8 | 2 |
Subtract the numbers in the ones column from the top number:
6-3=3
Place value | ones | . | tenths | hundredths |
6 | 10 | |||
7 | . | 0 | 6 | |
- | 3 | . | 2 | 4 |
3 | . | 8 | 2 |
The solution is: 3.82
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