Create a fractional class Rational, used to perform arithmetic operations for fractions, and write a program to test the class. (1) the class has two member variables, that is, molecules and denominator, all of which are integral types (2) define a constructor to initialize the class object. The constructor must reduce the input parameters. For example, if a given fraction is 2/4 (i.e. the molecule is 2, the denominator is 4), we need to reduce it to 1/2, and then store it in the corresponding member variable, that is, the molecule is 1 and the denominator is 2. (3) a add member function is defined to implement the addition of two fractions, and the result should also be reduced. (4) a sub member function is defined to implement a subtraction of two fractions, and the result is reduced form.

Filename	Size	Update
rational	0	2018-03-10
rational\Rational.java	2343	2018-03-10
rational\Test.java	585	2018-03-10

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