For 1/2 and 3/4, you need only enable the "Fractions (1/2) with fraction
character (½)" option on Tools | AutoCorrect Options | AutoFormat As You
Type.

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Suzanne S. Barnhill
Microsoft MVP (Word)
Words into Type
Fairhope, Alabama USA
Word MVP FAQ site: http://word.mvps.org
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> See http://www.word.mvps.org/FAQs/Formatting/CreateFraction.htm .
>
> > I don't know how to type fractions such as 1/2 or 3/4 that take only one
> > space insteaad of three.