What is 18 less than 9?

Here we tell you how to calculate 18 less than 9 and give you the answer. If you deduct 18 from 9, you get the answer to 18 less than 9. Doing this, you find that the answer is:

-9

See how we did that? We simply subtracted 18 from 9. It is an easy and simple math problem. 18 less than 9 is the same as 9 minus 18. So, once again, the answer is -9.

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What is 18 less than 10?
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