Add, subtract, multiply or divide fractions.
How to use Fraction calculator
Enter two integer numerators and nonzero denominators, then choose an operation. The result is reduced to lowest terms and includes a decimal approximation.
Add, subtract, multiply or divide fractions. Files and saved drafts stay on this device; they are not uploaded to Schoolvisor.
Fraction Calculator
Use this free fraction calculator to add, subtract, multiply or divide fractions. Enter two fractions, choose the calculation and view the result in simplified form.
It is useful for school maths, homework, recipes, measurements and everyday calculations involving parts of a whole.
How to use the Fraction Calculator
- Enter the first fraction using a numerator and denominator.
- Enter the second fraction.
- Choose addition, subtraction, multiplication or division.
- Calculate the answer.
- Review the simplified result.
For example, to calculate one-half plus one-quarter, enter 1/2 and 1/4, then select addition. The answer is 3/4.
Understanding fractions
A fraction shows part of a whole.
In the fraction 3/4:
- 3 is the numerator: the number of parts being considered.
- 4 is the denominator: the total number of equal parts.
Fractions can also be written as decimals or percentages. For example, 1/2 is equal to 0.5 or 50%.
Common fraction calculations
Add or subtract fractions
Fractions need a common denominator before they can be added or subtracted. The calculator completes this process automatically.
Multiply fractions
Multiply the numerators together and multiply the denominators together, then simplify the result.
Divide fractions
To divide by a fraction, multiply by its reciprocal. The calculator handles this automatically.
FAQs
Can I add fractions with different denominators?
Yes. Enter both fractions and select addition. The calculator finds the appropriate common denominator.
Will the answer be simplified?
Yes. The calculator simplifies the result where possible.
Can I use mixed numbers?
If the tool provides separate mixed-number fields, use them. Otherwise, convert the mixed number to an improper fraction before calculating.
Is a fraction the same as a percentage?
A fraction and a percentage can represent the same value in different formats. For example, 1/4 is equal to 25%.
Can I use this for recipe measurements?
Yes. It is helpful for adjusting recipe quantities such as one-half cup, three-quarters of a spoon or similar measurements.
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