Complex Fractions

A complex fraction has fractions in its numerator or denominator. Simplify by multiplying numerator and denominator by the LCD of all inner fractions, or by multiplying the top fraction by the reciprocal of the bottom

The calculator uses the standard published formula for complex fraction has fractions in its numerator or denominator. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

This calculator works with inches. You can enter values in the units shown — the calculator handles all conversions internally.

The core formula is: (a/b) ÷ (c/d) = (a/b) × (d/c). Each step in the calculation is shown so you can verify the result manually.