Decimal → Fraction

Convert a decimal number to its exact fraction (when terminating) and a best rational approximation up to a denominator limit.

Inputs

Decimal

Max denominator

Results

Exact (decimal representation is terminating)

314159265358979/100000000000000

Best approximation (denominator ≤ 1000)

355/113

≈ 3.1415929203539825 · error 2.668e-7