Solution - Long subtraction
13.8
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | tens | ones | . | tenths |
| 1 | 4 | . | 6 | |
| - | 0 | . | 8 | |
| . |
2. Subtract the numbers using long subtraction method
Because the upper digit (6) in the tenths column is too small to get a positive difference, borrow 1 from the digit (4) in the next number place which becomes (3) and get (16).
| Place value | tens | ones | . | tenths |
| 3 | 16 | |||
| 1 | 4 | . | 6 | |
| - | 0 | . | 8 | |
| . |
Subtract the numbers in the tenths column from the top number:
16-8=8
| Place value | tens | ones | . | tenths |
| 3 | 16 | |||
| 1 | 4 | . | 6 | |
| - | 0 | . | 8 | |
| . | 8 |
Subtract the numbers in the ones column from the top number:
3-0=3
| Place value | tens | ones | . | tenths |
| 3 | 16 | |||
| 1 | 4 | . | 6 | |
| - | 0 | . | 8 | |
| 3 | . | 8 |
Write 1 in the tens place.
| Place value | tens | ones | . | tenths |
| 3 | 16 | |||
| 1 | 4 | . | 6 | |
| - | 0 | . | 8 | |
| 1 | 3 | . | 8 |
The solution is: 13.8
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