U+2151 "⅑" Vulgar Fraction One Ninth Unicode Character

U+2151 "⅑" Vulgar Fraction One Ninth is a precomposed typographic symbol representing the fraction one ninth in a single glyph, designed for use in mathematical notation, recipes, measurements, and other contexts where space efficiency or consistent formatting is desired. It belongs to the Number Forms block of the Unicode standard and is typically rendered as a smaller numeral one placed above a smaller numeral nine, separated by a horizontal line, allowing it to be displayed cleanly in digital text without requiring specialized markup or fonts.