Write the fraction in the simplest form 6/8
6/8 in simplest form is 3/4 because if you divide 6 by 2 it is 3 and if you divide 8 by 2 it is 4 (that is how to simplify fractions or anything else)
\(\frac{6}{8} = \frac{3\times 2}{4\times 2} =\boxed{\bf{ \frac{3}{4} }}\)