C problem

Question

I want to code a program that if I input (a/b),and the result isn't rational,it output N.and if the a/b is rational, it output Y anyone could give me some advice? Thanks

Answer 1

Hope this will help your

https://stackoverflow.com/questions/18430245/how-to-differ-rational-and-irrational-number-in-c

Answer 2

If inraional output N