Penyelesaian - Long subtraction
7.6
Penjelasan langkah demi langkah
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | tens | ones | . | tenths |
| 1 | 1 | . | 2 | |
| 0 | . | 8 | ||
| - | 2 | . | 8 | |
| . |
2. Subtract the numbers using long subtraction method
Because the upper digit (2) in the tenths column is too small to get a positive difference, borrow 2 from the number to the left (11) which becomes (09) and get (22).
| Place value | tens | ones | . | tenths |
| 0 | 22 | |||
| 1 | 1 | . | 2 | |
| 0 | . | 8 | ||
| - | 2 | . | 8 | |
| . |
Subtract the numbers in the tenths column from the top number:
22-8-8=6
| Place value | tens | ones | . | tenths |
| 0 | 22 | |||
| 1 | 1 | . | 2 | |
| 0 | . | 8 | ||
| - | 2 | . | 8 | |
| . | 6 |
Subtract the numbers in the ones column from the top number:
9-0-2=7
| Place value | tens | ones | . | tenths |
| 0 | 22 | |||
| 1 | 1 | . | 2 | |
| 0 | . | 8 | ||
| - | 2 | . | 8 | |
| 7 | . | 6 |
Write 0 in the tens place.
| Place value | tens | ones | . | tenths |
| 0 | 22 | |||
| 1 | 1 | . | 2 | |
| 0 | . | 8 | ||
| - | 2 | . | 8 | |
| 0 | 7 | . | 6 |
The solution is: 7.6
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