Fraction Notation Converter
Local ProcessingConvert fractions to decimals or decimal numbers back into simplified fractions.
How It Works & Processing Standards
Enter values above to calculate results automatically. Check each input field for guidance and units.
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Writes the same number another way. Choose fraction ↔ decimal or mixed ↔ improper under "Calculation".
What You Can Do
- Fraction ↔ decimal
- 3/8 → 0.375, or fill in the decimal field to get a fraction.
- Mixed ↔ improper
- 2 3/4 → 11/4, or the reverse.
How to Use Fraction Notation Converter
- 1Choose a calculationPick fraction ↔ decimal or mixed ↔ improper.
- 2Enter valuesFor mixed ↔ improper, pick a direction and enter the whole part, numerator and denominator.
- 3Read the resultResults appear in lowest terms or as a decimal.
Examples
3/8 as a decimal
Input: Numerator 3, denominator 8
Result: 0.375
2 3/4 as an improper fraction
Input: Whole 2, numerator 3, denominator 4
Result: 11/4
Common Use Cases
- Reading tool and material sizes like 3/8 inch as decimals
- Writing a fraction answer as a mixed number
- Converting measurements to fraction notation
Frequently Asked Questions (FAQ)
Can a repeating decimal like 0.333… become a fraction?
The decimal you type is converted as written, so 0.333 becomes 333/1000.
What about negative mixed numbers?
Put the sign on the whole part and it is handled as entered.