4 2/7
30/7 is an improper fraction,in order to turn it into a mixed number,you must divide the denominator by the numerator.after you divide,there is a quotient,
the quotient is the whole number,to get the numerator,the reminder of a division problem is the numerator,for the denominator,it stays the same.To check your answer,you must multiply the denominator by the the number and than add it to the numerator.