convert 5 8/12 to a improper fraction

To convert a mixed number like 5 8/12 to an improper fraction, first, multiply the whole number by the denominator of the fraction. Then, add the numerator to this product and place it over the denominator.

In this case:
5 * 12 = 60
60 + 8 = 68
So, 5 8/12 as an improper fraction is 68/12.