7/3 + 1/3 = 8/3
4 + 1/3 = 13/3
7/3 - 1/3 = 2
7/3 * 1/3 = 7/9
7/3 / 1/3 = 7
7/3 + 5 = 22/3
5 + 7/3 = 22/3
7/3 is:
    > 1/3 according to the overloaded > operator
    not < 1/3 according to the overloaded < operator
    >= 1/3 according to the overloaded >= operator
    not <= 1/3 according to the overloaded <= operator
    not == 1/3 according to the overloaded == operator
    != 1/3 according to the overloaded != operator
7/3 + 1/3 = the now changed 8/3