Math Calculators
Fast math calculators for fraction arithmetic, mixed numbers, fraction simplification, decimal conversions, least common multiple, greatest common factor, and common denominators.
Use these tools when you need exact fraction arithmetic, decimal and fraction conversions, the least common multiple, the greatest common factor, or the least common denominator for fraction problems.
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Fraction arithmetic
Fraction Calculator: Use this for adding, subtracting, multiplying, and dividing fractions.
Mixed numbers
Mixed Number Calculator: Use this to add, subtract, multiply, or divide mixed numbers.
Simplify fractions
Simplifying Fractions Calculator: Use this to reduce a fraction to its lowest terms.
Decimal to fraction
Decimal to Fraction Calculator: Use this to convert a terminating decimal to a fraction or mixed number.
Fraction to decimal
Fraction to Decimal Calculator: Use this to convert a numerator and denominator to a decimal.
Least common denominator
Least Common Denominator Calculator: Use this to find the least common denominator of two to six denominators.
Least common multiple
Least Common Multiple Calculator: Use this to find the LCM of two or more positive whole numbers.
Greatest common factor
Greatest Common Factor Calculator: Use this to find the GCF, also called the GCD or highest common factor.
FAQ
Use the fraction calculator for arithmetic, the mixed number calculator for mixed-number operations, the simplifying fractions calculator for lowest terms, the conversion calculators for decimals and fractions, and the LCD, LCM, or GCF calculator for denominator, multiple, or factor problems.
The least common denominator is the least common multiple of the denominators in a fraction problem.
Yes. Greatest common factor and greatest common divisor usually mean the same number: the largest positive whole number that divides each input.
No. These math calculators support numbers only. They do not factor algebraic expressions, monomials, or polynomials.