PlanetToolbox
Ratio / Fraction Calculator
Simplify fractions, convert ratios to decimals and percents, scale ratios, and split a target total by ratio parts.
Simplified
2/3
Decimal
0.666667
Percent
66.6667%
Reciprocal
12/8
Ratio inputs
Solve ratios and fractions
Ratio / fraction summary
- Original fraction
- 8/12
- Scaled fraction
- 24/36
- Target numerator
- 40
- Target denominator
- 60
Assumptions
SimplificationWhole-number fractions are reduced with the greatest common divisor.
Target totalTarget allocation treats numerator and denominator as two positive parts of a whole.
Ratio and fraction notes
Whole-number fractions are reduced exactly. Decimal inputs can still be converted, scaled, and expressed as decimals or percents, but they are not reduced to integer-only fraction form.