Answer:
as an improper fraction is

in simplest form is

Explanation:
To find the improper fraction of 8 6/7 is:
Multiply the denominator of the fraction by the whole number, 8. This gives you 56. Now, add the 56 with the numerator of the fraction. This gives you 62 as a sum. So, the improper fraction is 62/7.
You cannot simplify 8 6/7 because it is in simplest form.