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Simplify 45:40
The simplified ratio of 45:40 is 9:8. Free ratio calculator with GCD breakdown.
9:8
GCD of 45 and 40 is 5. Simplified: 45/5 : 40/5 = 9:8
How This Was Calculated
Simplification: Divide both terms by their GCD.A:B = (A/GCD) : (B/GCD)
Solving proportions: A/B = C/D — cross-multiply to find the missing value.
Scaling: Multiply both terms by the scale factor.
Quick Reference Table
| Input | Result |
|---|---|
| 45 / 35 | 9:7 |
| 45 / 38 | 45:38 |
| 45 / 39 | 15:13 |
| 45 / 41 | 45:41 |
| 45 / 42 | 15:14 |
| 45 / 45 | 1:1 |
Frequently Asked Questions
What is a ratio?
A ratio compares two quantities by division.
How do I simplify a ratio?
Divide both numbers by their greatest common divisor (GCD).
Can ratios have decimal values?
Yes, but simplified ratios are typically expressed as whole numbers.