What is 21 minus 10 percent?

Here we will explain how to calculate the answer to: 21 minus 10 percent. To find the answer, we first calculate what 10 percent of 21 is, and then we deduct that amount from 21 to get the answer.

To get the 10 percent from any number such as 21, we multiply the number by 10 and then divide that answer by 100. Thus, to find 10 percent of 21, we do this:

(21 x 10)/100 = 2.1

Next, we simply subtract 2.1 from 21 like this:

21 - 2.1 = 18.9.

Therefore, as illustrated and calculated above, the answer to "What is 21 minus 10 percent?" is as follows:

18.9

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