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In mathematics, a fraction is a concept of a proportional relation between an object part and the object whole. Each fraction consists of a denominator (bottom) and a numerator (top), representing (respectively) the number of equal parts that an object is divided into, and the number of those parts indicated for the particular fraction.

Percent means "parts per hundred", "out of hundred". Therefore, percent is a fraction with a denominator of 100. This denominator is expressed by the percent symbol "%."

How many legs in total do a chicken, a duck, and a sheep have?