Reduce ratios to lowest terms and solve practical scaling or proportion questions.
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Simplified ratio-
Equivalent shares-
Proportion a:b = total:x-
Method
Calculation method
The calculator applies the standard arithmetic or statistical definition shown by the selected task. Results retain extra precision internally and round only the displayed value.
Inputs are validated before calculation. Fractions are reduced with the greatest common divisor, while sample statistics use n minus 1 where appropriate.
Questions
Ratio Calculator FAQ
How do you simplify a ratio?
Divide both parts by their greatest common divisor. For example, 12:18 becomes 2:3.
How do you solve a proportion?
Cross-multiply the two equal ratios, then divide by the coefficient attached to the unknown value.
