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Simplify 15/30
15/30 simplified is 1/2 = 0.5000. Free fraction calculator with GCD and decimal conversion.
1/2 = 0.5000
GCD of 15 and 30 is 15. Simplified: 15/15 / 30/15 = 1/2 = 0.5000
How This Was Calculated
Simplification: Divide numerator and denominator by their GCD.
Addition: a/b + c/d = (ad + bc) / bd
Subtraction: a/b - c/d = (ad - bc) / bd
Multiplication: a/b × c/d = ac / bd
Division: a/b ÷ c/d = ad / bc
Quick Reference Table
| Input | Result |
|---|---|
| 15 / 25 | 3/5 = 0.6000 |
| 15 / 28 | 15/28 = 0.5357 |
| 15 / 29 | 15/29 = 0.5172 |
| 15 / 31 | 15/31 = 0.4839 |
| 15 / 32 | 15/32 = 0.4688 |
| 15 / 35 | 3/7 = 0.4286 |
Frequently Asked Questions
What is a fraction?
A fraction represents a part of a whole, written as numerator/denominator.
How do I simplify fractions?
Divide both numerator and denominator by their greatest common divisor.
Can I add fractions with different denominators?
Yes, the calculator handles common denominators automatically.