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This document will help you create custom fractions with Word. The standard fractions ½, ¼, and ¾ can be created automatically with the option to format a three-character fraction to a one-character fraction as you type (e.g., 3/4 to ¾).
NOTE: If you require nonstandard or complex fractions, refer to Creating Custom Mathematical Expressions.
You may choose to have Word automatically format a three-character fraction to a one-character fraction by following the directions below:
Windows:
From the OFFICE BUTTON
, click WORD OPTIONS![]()
The Word Options dialog box appears.
From the Categories list, select Proofing
Click AUTOCORRECT OPTIONS...
The AutoCorrect dialog box appears.
Select the AutoFormat As You Type tab

Select Fractions (1/2) with fraction character (½)
NOTE: The option is selected if a checkmark appears.
Click OK
Click OK
Macintosh:
From the Tools menu, click AUTOCORRECT...
The AutoCorrect dialog box appears.
Select the AutoFormat As You Type tab
Select Fractions (1/2) with fraction character (½)
NOTE: The option is selected if a checkmark appears.
Click OK
If Word is set to AutoFormat fractions, you can use the following instructions to create the ½, ¼, and ¾ fraction characters.
Place the insertion point where the fraction should appear
NOTE: There needs to be at least one space before the insertion point.
Type 1/2, 1/4, or 3/4
Press [Space]
The characters change to ½, ¼, and ¾, respectively.