Code point
U+2151
Glyph appearance depends on your fonts.
U+2151
No<fraction> 0031 2044 0039U+2151 VULGAR FRACTION ONE NINTH is a Unicode 16.0.0 character in the Other Number category. It belongs to the Number Forms block.
Choose the representation you need, then copy its value.
U+2151
8529
⅑
⅑
E2 85 91
2151
00002151
%E2%85%91
\u2151
\u2151
\u2151
\2151