How do you convert 7 over 13 into an improper fraction?

7/13 can't be converted into an improper fraction, since it's less than 1.

Assume the given value is 7 1/3. This is in mixed number form. To convert it into improper fraction, you need to rewrite the term as the fraction of only numerator and denominator. For the numerator, multiply 7 by 3. Then, add that by 1. You should get:

(7 * 3 + 1) / 3 = 22 / 3