Solution - Long subtraction
180
Step-by-step explanation
1. Rewrite the numbers from top to bottom, aligned by their place values
| Place value | hundreds | tens | ones |
| 1 | 8 | 9 | |
| - | 9 | ||
2. Subtract the numbers using long subtraction method
Subtract the numbers in the ones column from the top number:
9-9=0
| Place value | hundreds | tens | ones |
| 1 | 8 | 9 | |
| - | 9 | ||
| 0 |
Write 8 in the tens place.
| Place value | hundreds | tens | ones |
| 1 | 8 | 9 | |
| - | 9 | ||
| 8 | 0 |
Write 1 in the hundreds place.
| Place value | hundreds | tens | ones |
| 1 | 8 | 9 | |
| - | 9 | ||
| 1 | 8 | 0 |
The solution is: 180
How did we do?
Please leave us feedback.Why learn this
Why learn this