Partial-Differences Subtraction Method
1. Subtract from left to right, one column at a time.
2. Always subtract the smaller number from the larger number:
· If the smaller number is on the top, include a minus sign before the difference. Subtract the difference from the answer.
3. Add up the answers from each column.
Example: 759 – 384 =
* Remember to include a minus sign if the smaller number (50) is on top.