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Free Online Fraction Calculator

This is a free calculator for adding, subtracting, multiplying, and dividing two fractions and/or mixed numbers. It is very simple to use!



How to use the calculator

  • Enter Fraction #1 into the first box below. Use the “/” between the numerator and denominator. E.g. for one third, enter "1/3."
  • Enter Fraction #2 into the second box.
  • If you are using mixed numbers, leave a single space between the whole number and fraction part.
    e.g. for two and three-fiths, enter "2 3/5"
  • Select add, subtract, multiply or divide and then click Calculate Fraction.

An online fraction calculator by helpingwithmath.com

This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 Canada License.


Do you need help with fractions?

These resources might help!

Free videos for learning fractions, part 1 (mixed numbers, equivalent fractions, addition, subtraction, comparing)

Free videos for learning fractions, part 2 (simplifying, multiplying, and dividing fractions; fractions to decimals; ratios and fractions).


Math Mammoth Fractions 1

A self-teaching worktext for 5th grade that teaches fractions and their operations with visual models. The book covers fractions, mixed numbers, adding and subtracting like fractions, adding and subtracting mixed numbers, adding and subtracting unlike fractions, and comparing fractions.

Download ($3.50). Also available as a printed copy.

Learn more and see the free samples!

See more topical Math Mammoth books



Math Mammoth Fractions 2

A self-teaching worktext that teaches fractions using visual models, a sequel to Math Mammoth Fractions 1. The book covers simplifying fractions, multiplication and division of fractions and mixed numbers, converting fractions to decimals, and ratios.

Download ($5.75). Also available as a printed copy.

=> Learn more and see the free samples!

See more topical Math Mammoth books


Practice makes perfect. Practice math at IXL.com

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