What is 40 less than 30?

Here we tell you how to calculate 40 less than 30 and give you the answer. If you deduct 40 from 30, you get the answer to 40 less than 30. Doing this, you find that the answer is:

-10

See how we did that? We simply subtracted 40 from 30. It is an easy and simple math problem. 40 less than 30 is the same as 30 minus 40. So, once again, the answer is -10.

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What is 40 less than 31?
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