Proper Fraction Pro is a script for InDesign & InCopy that can automatically format all fractions in a document or selection, apply OpenType fraction formatting or apply a thin stroke to the numerator and denominator for better looking fractions, apply custom kerning, has a Preferences window to edit settings, and more. To learn more, watch video demonstrations of the script in action, or to purchase a copy, please visit:
http://www.danrodney.com/scripts/properfraction.html