Penyelesaian - Long subtraction
12.6
Penjelasan langkah demi langkah
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | tens | ones | . | tenths |
| 1 | 4 | |||
| - | 1 | . | 4 | |
| . |
Put zeros in the blank number places:
| Place value | tens | ones | . | tenths |
| 1 | 4 | . | 0 | |
| - | 1 | . | 4 | |
| . |
2. Subtract the numbers using long subtraction method
Because the upper digit (0) 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 (10).
| Place value | tens | ones | . | tenths |
| 3 | 10 | |||
| 1 | 4 | . | 0 | |
| - | 1 | . | 4 | |
| . |
Subtract the numbers in the tenths column from the top number:
10-0-4=6
| Place value | tens | ones | . | tenths |
| 3 | 10 | |||
| 1 | 4 | . | 0 | |
| - | 1 | . | 4 | |
| . | 6 |
Subtract the numbers in the ones column from the top number:
3-1=2
| Place value | tens | ones | . | tenths |
| 3 | 10 | |||
| 1 | 4 | . | 0 | |
| - | 1 | . | 4 | |
| 2 | . | 6 |
Write 1 in the tens place.
| Place value | tens | ones | . | tenths |
| 3 | 10 | |||
| 1 | 4 | . | 0 | |
| - | 1 | . | 4 | |
| 1 | 2 | . | 6 |
The solution is: 12.6
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