TopToolsAiAdd, subtract, multiply or divide fractions and mixed numbers and see every step of the working: the common denominator, the simplification and the final answer as a fraction, mixed number, decimal and percentage.
Last updated: 21 Sep 2026
How to use Fraction Calculator
- Enter the first fraction. Add a whole number too if it is a mixed number such as 2 1/3.
- Choose an operation: add, subtract, multiply or divide.
- Enter the second fraction.
- Click Calculate to see the simplified answer with the step-by-step working.
Frequently asked questions
Can I use mixed numbers?
Yes. Put the whole part in the Whole box and the fraction part in the numerator and denominator boxes, for example 2, 1 and 3 for 2 1/3.
Does it simplify the answer?
Yes. The result is always reduced to lowest terms, and it is also shown as a mixed number, a decimal and a percentage.
How do I use a plain whole number?
Enter it in the Whole box and leave the numerator and denominator empty. For example, enter 5 to use the number 5.
Is this calculator free to use?
Yes, it is completely free, with no signup or account required.
Does my data get uploaded anywhere?
No. Everything is calculated in your browser and nothing is sent to our servers.
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