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Author:
Emily Farnham

*Subtracting is actually quite simple. People can perform subtraction problems in their mind by devoting time to learn quick solutions. You must focus carefully, when learning to mathematically to subtract.*

It is simple to subtract. Firstly, you'll need to write down your problem vertically.

Example: 72

- 13

______

Then, start with the '2' and the '3'. You'll start in the ones place value when starting a problem.

- Subtract 2-3. Since you can't, you'll have to regroup from the '7', and make the '7' a '6'. Then, change the '2' into a '12' because your adding ten. Subtract 12-3= 9.

- Then, subtract the '6' minus (subtract) the '1', and get '5'.

Overall, your initial answer should amount to 59.

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