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Simplify 72:63
The simplified ratio of 72:63 is 8:7. Free ratio calculator with GCD breakdown.
8:7
GCD of 72 and 63 is 9. Simplified: 72/9 : 63/9 = 8:7
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 |
|---|---|
| 72 / 58 | 36:29 |
| 72 / 61 | 72:61 |
| 72 / 62 | 36:31 |
| 72 / 64 | 9:8 |
| 72 / 65 | 72:65 |
| 72 / 68 | 18:17 |
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.