Solution - Long subtraction
11.6
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | tens | ones | . | tenths |
| 1 | 2 | . | 1 | |
| - | 0 | . | 5 | |
| . |
2. Subtract the numbers using long subtraction method
Because the upper digit (1) in the tenths 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 (11).
| Place value | tens | ones | . | tenths |
| 1 | 11 | |||
| 1 | 2 | . | 1 | |
| - | 0 | . | 5 | |
| . |
Subtract the numbers in the tenths column from the top number:
11-5=6
| Place value | tens | ones | . | tenths |
| 1 | 11 | |||
| 1 | 2 | . | 1 | |
| - | 0 | . | 5 | |
| . | 6 |
Subtract the numbers in the ones column from the top number:
1-0=1
| Place value | tens | ones | . | tenths |
| 1 | 11 | |||
| 1 | 2 | . | 1 | |
| - | 0 | . | 5 | |
| 1 | . | 6 |
Write 1 in the tens place.
| Place value | tens | ones | . | tenths |
| 1 | 11 | |||
| 1 | 2 | . | 1 | |
| - | 0 | . | 5 | |
| 1 | 1 | . | 6 |
The solution is: 11.6
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