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Simplify 70:80
The simplified ratio of 70:80 is 7:8. Free ratio calculator with GCD breakdown.
7:8
GCD of 70 and 80 is 10. Simplified: 70/10 : 80/10 = 7:8
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 |
|---|---|
| 70 / 75 | 14:15 |
| 70 / 78 | 35:39 |
| 70 / 79 | 70:79 |
| 70 / 81 | 70:81 |
| 70 / 82 | 35:41 |
| 70 / 85 | 14:17 |
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.