Complex Fraction Calculator

Enter a numerator fraction and denominator fraction to simplify the complex fraction and see the reciprocal-multiplication step.

Numerator fraction/value

Denominator fraction/value

9/103/4 × 6/5 = 18/20 = 9/10

—Mixed number

—Decimal

Complex-fraction cancellation & cross-product check

Simplify (a/b) ÷ (c/d) exactly, expose the reciprocal-multiply step and verify the simplified result by cross multiplication.

abcd

—Simplified result

—Reduction GCD

—Cross-product check

Ready.

Represent → compare → factor → verify

Equivalent fraction forms should preserve the same rational value, and number-theory relationships should agree across factors, remainders, GCF, multiples, and prime structure. Use the connected tools to verify rather than relying on an isolated answer.