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Simplify 12/40
12/40 simplified is 3/10 = 0.3000. Free fraction calculator with GCD and decimal conversion.
3/10 = 0.3000
GCD of 12 and 40 is 4. Simplified: 12/4 / 40/4 = 3/10 = 0.3000
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 |
|---|---|
| 12 / 35 | 12/35 = 0.3429 |
| 12 / 38 | 6/19 = 0.3158 |
| 12 / 39 | 4/13 = 0.3077 |
| 12 / 41 | 12/41 = 0.2927 |
| 12 / 42 | 2/7 = 0.2857 |
| 12 / 45 | 4/15 = 0.2667 |
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.