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Simplify 40:72
The simplified ratio of 40:72 is 5:9. Free ratio calculator with GCD breakdown.
5:9
GCD of 40 and 72 is 8. Simplified: 40/8 : 72/8 = 5:9
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 |
|---|---|
| 40 / 67 | 40:67 |
| 40 / 70 | 4:7 |
| 40 / 71 | 40:71 |
| 40 / 73 | 40:73 |
| 40 / 74 | 20:37 |
| 40 / 77 | 40:77 |
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.