Question

pi = 22/7 is an irrational number but 22/7 is a rational. Justify your answer

Answer 1

$\pi =3.1415926535897932384626433832795..$
it goes on so it is irrational
$\frac{22}{7}= 3.1428571428571428571428571428571..$
also goes on it 
so it is also a irrational number