The 1954 Statelessness Status Convention provided a definition of a stateless person (which has since become part of customary international law, according to the International Law Commission), and sets out a number of rights that stateless persons should enjoy.
The ratio of two integers P and Q can be expressed as P : Q or P/Q. In both cases, you may divided P and Q by their greatest common factor so as to express the ratio in its simplest form.
Thus, adding two rational numbers produces another rational number. Proof: The product of two rational numbers is rational.. Again, by definition, a rational number can be expressed as a fraction with integer values in the numerator and denominator (denominator not zero).