VIDEO #1 -- Converting % to DE to FR
https://www.khanacademy.org/math/in-seventh-grade-math/comparing-quantities/percentage-comparing-quantities/v/representing-a-number-as-a-decimal-percent-and-fraction
VIDEO #2 -- Representing a FR as a DE and a %
https://www.khanacademy.org/math/in-seventh-grade-math/comparing-quantities/percentage-comparing-quantities/v/representing-a-number-as-a-decimal-percent-and-fraction-2