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Simplify 45/20
45/20 simplified is 9/4 = 2.2500. Free fraction calculator with GCD and decimal conversion.
9/4 = 2.2500
GCD of 45 and 20 is 5. Simplified: 45/5 / 20/5 = 9/4 = 2.2500
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 |
|---|---|
| 45 / 15 | 3/1 = 3.0000 |
| 45 / 18 | 5/2 = 2.5000 |
| 45 / 19 | 45/19 = 2.3684 |
| 45 / 21 | 15/7 = 2.1429 |
| 45 / 22 | 45/22 = 2.0455 |
| 45 / 25 | 9/5 = 1.8000 |
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.