Method
For integer terms a:b, divide both by gcd(|a|,|b|). Shares divide each term by a+b; the equivalent fraction is a/b.
Math worksheet
Ratio and Proportion Calculator
Simplify two-term ratios, convert them to shares and percentages, and generate equivalent ratios from exact integer inputs.
The calculation runs locally. Exact-integer tools avoid floating point; decimal and transcendental tools report rounding limits.
Method and verification guide
How the Ratio and Proportion Calculator works
For integer terms a:b, divide both by gcd(|a|,|b|). Shares divide each term by a+b; the equivalent fraction is a/b. The calculator keeps the intermediate values visible so you can reproduce the answer independently.
Interpret the result
A reduced ratio preserves relative size while using the smallest whole-number terms.
Check the assumptions
The decimal and percentage comparison is undefined when the second term is zero; shares require a nonzero total.
Local calculation
Everything runs in this browser. Inputs are not sent to an external calculator.
Rounding
Displayed values may be rounded for readability while calculations use full floating-point precision unless the tool explicitly uses exact integers.
Scope
The decimal and percentage comparison is undefined when the second term is zero; shares require a nonzero total.
Simple by design
Three steps to a clearer number.
Enter your details
Use realistic values in each field. You can change them anytime.
Calculate instantly
The formula runs locally, so there is no account or waiting time.
Use the result
Treat the answer as a practical estimate for your next decision.