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20 percent can be written as the fraction 1/5. It can also be written as the decimal 0.2. Percentages, fractions and decimals are different ways of expressing the same number value.

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When expressed as a fraction, 15 percent is equal to 15/100. This can be simplified further by dividing both the numerator and denominator by 5, resulting in 3/20.

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A fraction calculator allows a user to specify two fractions' numerators and denominators and perform basic mathematical operations on them. A user can do addition, subtraction, multiplication or division of fractions.

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Calculators that add fractions can be found both in-store and online at retailers such as Walmart, Sears and Office Depot. Prices and availability vary by brand of calculator, store and location.

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A fraction is converted to a percentage by first expressing the fraction with a denominator of 100, then writing the numerator with a percent sign behind it. Some fractions can be easily converted if basic ratio equivalents are known.

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To convert a fraction into a percent, change the fraction so that the denominator is 100. Multiply the numerator with the number that when multiplied with the original denominator gives you 100. Write down the numerator with a percent sign.

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The steps to calculate a percent of a given number are first converting the percent to a decimal value by dividing it by 100, then multiplying the given number by that decimal value. The steps to calculate what percent one number is of another are to divide the first number by the second number, the

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Percents are calculated by dividing a number by 100. Percentages are written as a fraction or a decimal. When referring to percents, it is similar to saying "per 100."

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Converting a percent to a fraction is done by placing the number of the percent over 100. In final form, the fraction needs to contain only integers, and be simplified as much as possible.

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The percentage of change can be calculated by using one of two formulas. The percentage of increase, or positive change, can be calculated as follows: increase ÷ original number × 100. The percentage of decrease, or negative change, can be calculated according to the following formula: decrease ÷ or