Number base converter
Convert integers exactly between bases 2–36, including negative and very large values, with common base results shown together.
Fraction calculator
Add, subtract, multiply or divide fractions exactly, then see the reduced fraction, mixed number and decimal approximation.
About this tool
Add, subtract, multiply or divide fractions exactly, then see the reduced fraction, mixed number and decimal approximation.
How to use
Enter both numerators and denominators, including negative integers if needed. Select +, −, × or ÷; the result is calculated immediately and reduced to lowest terms. Copy the exact fraction.
Big-integer arithmetic keeps large values exact. A denominator cannot be zero, and division by a zero fraction is rejected. Decimal output is truncated to 12 places and marked approximate when it does not terminate there. Each integer input supports up to 256 digits.
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