A fraction has a numerator and a denominator. Consider the class Fraction of such numbers. Suppose that the Fraction class represents the numerator and denominator as integers. For example, the fraction 3/7 would be stored as 3 in the numerator and 7 in the denominator.
a. Write specifications for a method within the Fraction class that adds two fractions. Include the statement of purpose, the preconditions and post-conditions, a description of the arguments, and a description of any return value.
b. Write a C++ implementation of this method. Design and specify any other method that you need. Include comments that will be helpful to someone who will maintain your implementation in the future.
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