#Assignment 6
##16.09.2016

###Program
Write a program to define a class caleed "Fraction" that has two variables 'num' & 'den'.

- Define constructor to initialize the variables by taking input from user in main(). If user inputs "0" as numerator or denominator then exception will be thrown.
- Overload +,-,* operators to do sum, subtraction and multiplication of two objects.
- Write a friend function reduce() which will reduce the fraction.
- Define other functions and variables as per requirement.