45 / 18 as a mixed fraction...
To change the improper fraction to the mixed fraction you have to:-
first divide (as you divide) so that you can get remainder, quotient, divisor and dividend.
i.e 45 is dividend and 18 is divisor.
45 / 18 = 2 9 / 18 where 2 is quotient and 9 is remainder...
so the ans is 2 9 / 18