🔢
Simplify 18/42
18/42 simplified is 3/7 = 0.4286. Free fraction calculator with GCD and decimal conversion.
3/7 = 0.4286
GCD of 18 and 42 is 6. Simplified: 18/6 / 42/6 = 3/7 = 0.4286
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 |
|---|---|
| 18 / 37 | 18/37 = 0.4865 |
| 18 / 40 | 9/20 = 0.4500 |
| 18 / 41 | 18/41 = 0.4390 |
| 18 / 43 | 18/43 = 0.4186 |
| 18 / 44 | 9/22 = 0.4091 |
| 18 / 47 | 18/47 = 0.3830 |
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.