Browser-local math utility

Equivalent Fractions Calculator

Generate equivalent fractions or verify equivalence using exact integer arithmetic.

Enter values

ModeFirst numeratorFirst denominatorNumber to generateSecond numerator (check mode)Second denominator (check mode)

Enter values and calculate.

Method

Generation multiplies numerator and denominator by the same nonzero integer. Check mode compares exact cross-products a×d and b×c.

Worked example

2/3 multiplied by 2, 3, 4, and 5 gives 4/6, 6/9, 8/12, and 10/15.

Important limitation

This does not add fractions, simplify them to lowest terms, or calculate a least common denominator. Zero denominators are rejected.