About this calculator
Simplify a two-number ratio to lowest whole-number terms.
For decimal ratios, scale them to whole numbers first.
Formula
Divide both whole numbers by their greatest common divisor.
Example
24:36 simplifies to 2:3.
Accuracy
NUMTX shows the assumptions next to the calculation so you can replace defaults with values that match your situation. For measurements, supplier rates, fees, interest, tax or regulated work, confirm important figures with the appropriate official or professional source.