Fraction to Percent Calculator
Convert fractions to percentages instantly with step-by-step solutions
Simple Fraction
Enter the numerator (top) and denominator (bottom) of your fraction
Mixed Number
Enter a mixed number like 1 3/4 (one and three-quarters)
/ equals
%
Step-by-Step Solution
Original Fraction
/
Decimal
Percentage
%
Common Fractions Reference
Click any fraction to use it
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About Fraction to Percent Calculator
What is a Fraction to Percent Calculator?
A fraction to percent calculator converts fractions into their equivalent percentage values. This is one of the most fundamental mathematical conversions used in everyday life, from calculating discounts to understanding statistics.
How to Convert a Fraction to Percent
The Formula
Percentage = (Numerator ÷ Denominator) × 100
Step-by-Step Process
- Divide the numerator by the denominator - This gives you the decimal equivalent
- Multiply by 100 - This converts the decimal to a percentage
- Add the percent sign (%) - Complete the conversion
Example Calculation
Convert 3/4 to a percentage:
- Divide: 3 ÷ 4 = 0.75
- Multiply: 0.75 × 100 = 75
- Result: 75%
Common Fraction to Percent Conversions
| Fraction | Percent |
|---|---|
| 1/2 | 50% |
| 1/3 | 33.33% |
| 1/4 | 25% |
| 1/5 | 20% |
| 2/3 | 66.67% |
| 3/4 | 75% |
| 1/8 | 12.5% |
| 3/8 | 37.5% |
| 5/8 | 62.5% |
| 7/8 | 87.5% |
Special Cases
Improper Fractions
Fractions where the numerator is larger than the denominator will result in percentages greater than 100%.
- 5/4 = 125%
- 3/2 = 150%
- 7/4 = 175%
Negative Fractions
Negative fractions result in negative percentages.
- -1/4 = -25%
- -3/4 = -75%
Real-World Applications
Shopping and Discounts
- Understanding sale prices ("1/3 off" = 33.33% discount)
- Comparing product value
Cooking and Recipes
- Scaling recipes up or down
- Understanding ingredient proportions
Education
- Converting test scores
- Understanding grades and performance
Finance
- Interest rate calculations
- Investment returns
- Tax rates
Frequently Asked Questions
How do I convert a mixed number to a percent?
First convert the mixed number to an improper fraction, then use the formula:
- Example: 1 1/2 = 3/2 = (3 ÷ 2) × 100 = 150%
What if my fraction has decimals?
You can still use the same formula with decimal numerators or denominators.
How do I convert percent back to fraction?
Divide the percentage by 100, then simplify:
- 75% = 75/100 = 3/4
Tip: This calculator handles all types of fractions including improper fractions and automatically simplifies your results.