Jared ate 1/4 of the bread.
The amount of bread left is therefore:

3/4 of the bread is left.
He then cut this into 1/8 loaf slices.
To find how many he cut, we simply have to divide 3/4 by 1/8:
(3 / 4) / (1/ 8) =

Therefore, he cut 6 bread slices of the 1/8-loaf slice.