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When referencing “fractions” in typographic terms, we’re usually referring to the glyphs in any given typeface that are dedicated to the optimal rendering of the mathematical fractions themselves.

![Fractions rendered without OpenType fractions turned on (left) and with them turned on (right). The second version looks better.](images/thumbnail.svg)

Fractions are much more legible when rendered correctly as symbols—e.g. “3⁄4”—rather than written out in regular numerals—e.g. “3/4”—so it’s desirable to enable this correct rendering via OpenType.

Even without OpenType, many fonts have Unicode points for the common fractions: ½, ¼, and ¾. Less-common fractions—⅓, ⅔, ⅛, ⅜, ⅜, ⅝, and ⅞—are not present in most fonts.