Rational numbers (1) P85696

Using the definition

write a function

that returns an equivalent rational to n/d and “normalized” according to: if the numerator is 0, the denominator is 1; otherwise, the numerator and the denominator do not have any common factor, and the denominator is positive.

Precondition

d ≠ 0.

Observation You only need to submit the required classes; your main program will be ignored. Strictly obey the type definitions of the statement.