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Learn what a denominator is, how to compare it with a numerator, and how to find the common and least common denominators of fractions. Also, see how to rationalize the denominator of a fraction with irrational or root numbers. A simple fraction (also known as a common fraction or vulgar fraction ) [n 1] is a rational number written as a / b or , where a and b are both integers. [9] As with other fractions, the denominator (b) cannot be zero. Examples include 1 2 , − 8 5 , −8 5 , and 8 −5 . The term was originally used to distinguish this type of fraction from the sexagesimal fraction used in astronomy. [10] Common fractions can be positive or negative, and they can be proper ... Understanding what is a denominator helps clarify fractions and enhances math skills, making calculations easier and more accurate in everyday life. Definition of Denominator - Meaning and ExampleDenominator is the bottom number of a fraction representing how many total pieces your whole is split into. Example :
