You can only write 3 1/2 as an improper fraction one way. The improper fraction for 3 1/2 would be 3 16/15.
3 and 2/3 as an improper fraction is 11/3
You cannot change 3/5 into an improper fraction. An improper fraction has a numerator that is greater than the denominator.
7 and 2/3 as an improper fraction is 23/3
3 as an improper fraction with a denominator of 5 = 15/5
4 1/3 as an improper fraction = 13/3
10/3
7/2
5/3
7 1/3 as an improper fraction = 22/37 1/3:= [(3 * 7)1]/3= [21+1]/3= 22/3 in improper fraction
four and one third as an improper fraction = 13/3
3 and one three third as an improper fraction = 10/33 1/3:= [(3 * 3)+1]/3= [9+1]/3= 10/3 in improper fraction