Construct a class called rational number which takes two integers as input and their ratio represents a rational number. Write methods for adding, subtracting, and multiplying two rational numbers....

Construct a class called rational number which takes two integers as input and their ratio represents a rational number. Write methods for adding, subtracting, and multiplying two rational numbers. Output should also be a rational number and you should state the values of its numerator and denominator. Do not calculate the value of ratio but output the numerator and denominator.