How to Convert a Fraction to a Percentage
Converting a fraction to a percentage is a fundamental math operation. A fraction represents a ratio or division of two numbers, whereas a percentage represents parts per hundred.
Mathematical Formula
To convert a fraction (a / b) into a percentage:
Percentage (%) = (Numerator / Denominator) × 100 = (a / b) × 100%
For a mixed number (w a/b):
- Convert to an improper fraction:
((w × b) + a) / b - Find the decimal value:
Decimal = ((w × b) + a) / b - Multiply by 100:
Percentage (%) = Decimal × 100%
Common Fractions and Percentages
- 1/2 = 0.50 = 50%
- 1/4 = 0.25 = 25%
- 3/4 = 0.75 = 75%
- 1/5 = 0.20 = 20%
- 1/8 = 0.125 = 12.5%