# Add a Percentage to a Number?

To calculate percentage, multiply the number by the percentage fraction. For example to calculate 9% of 25000, multiply 25000 by 9/100, that is, multiply 25000 by 0.09.
To add percentages, you follow the same rules as adding two numbers. For instance, 25% + 25% would be equal to 50%. If decimals are used, follow the same principle.
Q&A Related to "Add a Percentage to a Number?"
 Adding percentages is as simple as adding whole numbers. Take the numbers and add them together, and that's the percent it will be. The same goes with subtraction of percentages. http://answers.ask.com/Science/Mathematics/how_to_...
 1. Convert the percentage you want to add or subtract to a decimal. For example, 60 percent in decimal form is equal to .60. 2. Multiply the amount to add or subtract to by the decimal http://www.ehow.com/how_7613191_add-subtract-perce...
 Attention Deficit Hyperactivity Disorder (ADHD) affects an estimated http://www.chacha.com/question/what-is-the-percent...
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Adding percentages is as simple as adding whole numbers. Take the numbers and add them together, and that's the percent it will be. The same goes with subtraction ...
Adding percentages is as simple as adding whole numbers. Take the numbers and add them together, and that's the percent it will be. The same goes with subtraction ...
1. Convert the percents that are to be added into fractions. Divide them by 100. For example, 50 percent would convert to 50/100. The percent is an expression ...