Ratio Calculator

Simplify Ratios

Use the same unit for both values, such as 12 cm and 18 cm or 20 items and 30 items.

Formula: simplified ratio = both values divided by their greatest common divisor.

Understanding Ratios

1. What This Calculator Measures

A ratio compares two quantities that use the same unit or represent matching kinds of values.

2. How the Calculation Works

The calculator divides both values by their greatest common divisor so the ratio is shown in simplest form.

3. Formula or Rule Used

simplified ratio = first / GCD : second / GCD.

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