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Create a class called Rational for performing arithmetic with fractions. Write a program to test your class.
Use integer variables to represent the private data of the class— the numerator and the denominator.
Provide a constructor that enables an object of this class to be initialized when it’s declared.
The constructor should contain default values in case no initializers are provided and should store the fraction in reduced form. For example, the fraction would be stored in the object 2/4 as 1 in the numerator and 2 in the denominator.

Provide public member functions that perform each of the following tasks:

add — adds two Rational numbers. The result should be stored in reduced form.

subtract —s ubtracts two Rational numbers. Store the result in reduced form.

multiply — multiplies two Rational numbers. Store the result in reduced form.

divide — divides two Rational numbers. The result should be stored in reduced form.

toRationalString — Returns a string representation of a Rational number in the form a/b, where a is the numerator and b is the denominator.

toDouble — Returns the Rational number as a double.

Modify the supplied Date class to perform error checking on the initializer values for data members month,
day and year. Also, provide a member function nextDay to increment the day by one. Write a program that tests function nextDay in a loop that prints the date during each iteration to illustrate that nextDay works correctly.

Be sure to test the following cases:

Incrementing into the next month

Incrementing into the next year