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Simplify 40/42
40/42 simplified is 20/21 = 0.9524. Free fraction calculator with GCD and decimal conversion.
20/21 = 0.9524
GCD of 40 and 42 is 2. Simplified: 40/2 / 42/2 = 20/21 = 0.9524
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 |
|---|---|
| 40 / 37 | 40/37 = 1.0811 |
| 40 / 40 | 1/1 = 1.0000 |
| 40 / 41 | 40/41 = 0.9756 |
| 40 / 43 | 40/43 = 0.9302 |
| 40 / 44 | 10/11 = 0.9091 |
| 40 / 47 | 40/47 = 0.8511 |
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.