Solution - Long subtraction
24
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | tens | ones | . | tenths |
| 3 | 6 | . | 6 | |
| - | 1 | 2 | . | 6 |
| . |
2. Subtract the numbers using long subtraction method
Subtract the numbers in the tenths column from the top number:
6-6=0
| Place value | tens | ones | . | tenths |
| 3 | 6 | . | 6 | |
| - | 1 | 2 | . | 6 |
| . | 0 |
Subtract the numbers in the ones column from the top number:
6-2=4
| Place value | tens | ones | . | tenths |
| 3 | 6 | . | 6 | |
| - | 1 | 2 | . | 6 |
| 4 | . | 0 |
Subtract the numbers in the tens column from the top number:
3-1=2
| Place value | tens | ones | . | tenths |
| 3 | 6 | . | 6 | |
| - | 1 | 2 | . | 6 |
| 2 | 4 | . | 0 |
The solution is: 24
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