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 ... Denominator A fraction's denominator is the portion of the fraction that falls below the fractional bar. The denominator represents the total number of parts that comprise a whole. A fraction is distinguished by a horizontal bar between two numbers and, on occasion, by the symbol "/." The "fractional bar" is the name given to this bar or symbol. Denominator and numerator are the parts of fraction where bottom part of a fraction is called denominator and top part of the fraction is called numerator. For instance, in the fraction 3/4, the denominator is 4, and 3 is numerator.
