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Simplify 30/42
30/42 simplified is 5/7 = 0.7143. Free fraction calculator with GCD and decimal conversion.
5/7 = 0.7143
GCD of 30 and 42 is 6. Simplified: 30/6 / 42/6 = 5/7 = 0.7143
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 |
|---|---|
| 30 / 37 | 30/37 = 0.8108 |
| 30 / 40 | 3/4 = 0.7500 |
| 30 / 41 | 30/41 = 0.7317 |
| 30 / 43 | 30/43 = 0.6977 |
| 30 / 44 | 15/22 = 0.6818 |
| 30 / 47 | 30/47 = 0.6383 |
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.