What is 18 plus 21 percent?

What is 18 plus 21 percent (18 plus 21%)? Simply put, what do you get if you add 21 percent to 18? Here we will show you how to calculate 18 plus 21 percent using a two-step process.

Step 1) Calculate 21 percent of 18: To calculate 21 percent of 18, you multiply 21 by 18 and then divide the product you get by 100. Here is the math to illustrate:

21 x 18 = 378
378 / 100 = 3.78

Step 2) Add the 21 percent you calculated in Step 1 to 18. Here is the math to illustrate:

18 + 3.78 = 21.78

Therefore, the answer to "What is 18 plus 21 percent?" is:

21.78

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