HTML Entity for Fraction 4 By 5 (⅘)

Beginner
⏱️ 5 min read
📚 Updated: Jun 2026
🎯 1 Code Example
Unicode U+2158

What You'll Learn

How to display the Fraction 4 By 5 symbol (⅘) in HTML using named, hexadecimal, decimal, and CSS escape methods. This character is U+2158 (VULGAR FRACTION FOUR FIFTHS) in the Number Forms block (U+2150–U+218F)—a vulgar fraction representing 4⁄5 (four fifths).

Render it with the named entity ⅘, ⅘, ⅘, or CSS escape \2158. Do not confuse ⅘ with three fifths (⅗, U+2157, ⅗), one fifth (⅕, U+2155, ⅕), or plain text 4/5.

⚡ Quick Reference — Fraction 4 By 5

Unicode U+2158

Number Forms

Hex Code ⅘

Hexadecimal reference

HTML Code ⅘

Decimal reference

Named Entity ⅘

Four fifths (most readable)

Reference Table
Name           Value
────────────   ──────────
Unicode        U+2158
Hex code       ⅘
HTML code      ⅘
Named entity   ⅘
CSS code       \2158
Meaning        Vulgar fraction four fifths (4/5)
Related        U+2157 = Three fifths (⅗); U+2156 = Two fifths (⅖)
1

Complete HTML Example

This example demonstrates the Fraction 4 By 5 symbol (⅘) using hexadecimal code, decimal HTML code, the named entity, and a CSS content escape:

html
<!DOCTYPE html>
<html>
<head>
 <style>
  #point:after{
   content: "\2158";
  }
 </style>
</head>
<body>
<p>Fraction 4 By 5 using Hexadecimal: &#x2158;</p>
<p>Fraction 4 By 5 using HTML Code: &#8536;</p>
<p>Fraction 4 By 5 using HTML Entity: &frac45;</p>
<p id="point">Fraction 4 By 5 using CSS Entity: </p>
</body>
</html>
Try it Yourself

🌐 Browser Support

The Fraction 4 By 5 (⅘) is widely supported in modern browsers with a suitable font:

Chrome 1+
Firefox 1+
Safari 1+
Edge 12+
Opera 4+
Android 4.4+
iOS Safari 1+

👀 Live Preview

See the vulgar fraction four fifths (⅘) in recipes, math, and compared with related glyphs:

Recipe ⅘ cup flour   ⅘ tsp vanilla
Math 5 × ⅘ = 4   ⅘ = 80%
Large glyph
Vulgar fractions ⅖ two-fifths   ⅗ three-fifths   ⅘ four-fifths
Entity refs &frac45; &#x2158; &#8536; \2158

🧠 How It Works

1

Named Entity

&frac45; is the HTML named entity for four fifths—often preferred in readable recipe and math markup.

HTML markup
2

Hexadecimal Code

&#x2158; uses the Unicode hexadecimal value 2158. The x prefix indicates hexadecimal format.

HTML markup
3

Decimal HTML Code

&#8536; uses the decimal Unicode value 8536 to display the same character.

HTML markup
4

CSS Entity

\2158 is used in CSS stylesheets, particularly in the content property of pseudo-elements like ::before and ::after.

CSS stylesheet
=

Same visual result

All four methods produce: . Unicode U+2158 in Number Forms. For three fifths, see Fraction 3 By 5 (⅗).

Use Cases

The Fraction 4 By 5 symbol (⅘) is commonly used in:

🍳 Recipes

Cooking sites and measurements (e.g. ⅘ cup, ⅘ teaspoon).

∑ Math

Equations, fractions, and math content using four fifths.

📚 Education

Textbooks, tutorials, and lessons on fractions and ratios.

📊 Data

Statistics, scores, and displays showing four-fifths or proportional shares.

📄 Documents

Legal, academic, or technical documents with vulgar fractions.

🌐 Symbol guides

HTML entity lists, Unicode charts, and character references.

💡 Best Practices

Do

  • Use &frac45; for readable HTML in recipes and math
  • Pair with units (e.g. ⅘ cup) for clear measurements
  • Use math-friendly fonts (Cambria Math, STIX Two Math) for clear fractions
  • Add aria-label (e.g. “four fifths”) for accessibility
  • Serve pages with UTF-8 (<meta charset="utf-8">)

Don’t

  • Confuse ⅘ (four fifths) with ⅗ (three fifths, U+2157)
  • Confuse ⅘ (4⁄5) with ⅖ (two fifths, U+2156)
  • Put CSS escape \2158 in HTML text nodes
  • Mix entity styles randomly in one file
  • Use 4/5 when typographic ⅘ is required for consistency

Key Takeaways

1

Three HTML references plus CSS all render ⅘

&#x2158; &#8536; &frac45;
2

For CSS stylesheets, use the escape in the content property

\2158
3

Unicode U+2158 — vulgar fraction four fifths

4

&frac45; is the standard named entity

5

Next: Fraction 5 By 6 (continues the sequence)

❓ Frequently Asked Questions

Use &frac45; (named), &#x2158; (hex), &#8536; (decimal), or \2158 in CSS content. All produce ⅘.
U+2158 (VULGAR FRACTION FOUR FIFTHS). Number Forms block (U+2150–U+218F). Hex 2158, decimal 8536. Represents the vulgar fraction four fifths (⅘).
In mathematical notation and fractions, recipes and measurements, educational content, data display, and any content that requires the four-fifths (⅘) symbol in typographic form.
Yes. &frac45; is the named HTML entity for U+2158 (⅘). You can also use &#8536; (decimal) or &#x2158; (hexadecimal). All render the same symbol.
HTML entities (&#8536;, &#x2158;, or &frac45;) go directly in markup. The CSS escape \2158 is used in stylesheets, typically in the content property of pseudo-elements. Same visual result, different layers of the stack.

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About the author

Mari Selvan M P
Mari Selvan M P 🔗

Developer, cloud engineer, and technical writer

  • Experience 12 years building web and cloud systems
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I write practical tutorials so students and working developers can learn by doing—from databases and APIs to deployment on AWS.

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