Compare Fractions Calculator
Which fraction is bigger?
Result
How to use
- Enter your values in the fields above.
- Press Calculate to see your result instantly.
- Use the Share button to copy a link to your result.
About this calculator
Comparing two fractions like 3/4 and 5/7 without a calculator usually relies on cross multiplication: multiply the numerator of each fraction by the denominator of the other, 3 × 7 versus 5 × 4, and compare the resulting products — whichever cross product is larger tells you which original fraction is larger, without needing to find a common denominator first. The two fractions are equal only when both cross products match exactly.
Students use this method as a faster alternative to converting fractions to decimals or finding a least common denominator when comparing fraction sizes on homework and tests, and the same logic comes up in everyday situations — comparing ingredient ratios in two recipes, comparing unit prices expressed as fractions, or checking which of two measurements represents a larger proportion of a whole.
This calculator takes two fractions and tells you which one is greater, smaller, or whether they’re equal.
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