FRACTIONS Review of Introductory MathematicsExample:68628234AdditionandSubtractionofFractionsWhen two or more fractions have the same denominator, they are said to have a commondenominator. The rules for adding fractions with a common denominator will first be explored.Consider the example.3818First of all, the fraction means three segments, i.e. = 3 x . Looking at this as the38183818addition of pie segments:It is obvious that three of these segments plus one of these segments equal four18ths18thsof these segments .18thsMA-01 Page 26 Rev. 0