Math

Fraction Calculator

Calculate with fractions and mixed numbers. The answer is simplified and shown as a fraction, mixed number and decimal.

โœ” Free๐Ÿ”’ Runs in your browser๐Ÿ—“ Updated

How to use the Fraction Calculator

  1. Type the first fraction like 3/4, a mixed number like 1 1/2, or a whole number.
  2. Choose the operation.
  3. Type the second fraction.
  4. Read the simplified result, mixed number, decimal and steps.

Formula used

a/b + c/d = (ad + bc) รท bda/b ร— c/d = ac รท bda/b รท c/d = ad รท bc

Results are simplified by dividing top and bottom by their greatest common divisor.

Worked examples

SumAnswer
1/2 + 1/35/6
3/4 โˆ’ 1/67/12
2/3 ร— 3/41/2
1 1/2 + 2/313/6 = 2 1/6
5/8 รท 1/45/2 = 2 1/2

Frequently asked questions

How do I simplify a fraction?

Divide the top and bottom by their greatest common divisor. 18/24 becomes 3/4 because both divide by 6.

How do I convert a mixed number to an improper fraction?

Multiply the whole number by the denominator and add the numerator. 2 3/4 = (2 ร— 4 + 3)/4 = 11/4.

How do I turn a fraction into a decimal?

Divide the top by the bottom. 3/8 = 0.375.

How do I turn a fraction into a percentage?

Divide and multiply by 100. 3/8 = 37.5%. Or use the Percentage Calculator.

Can I enter negative fractions?

Yes. Type -3/4 or -1 1/2.

Written and tested by MasterKit Online Editorial Team

Our team builds and tests every tool by hand, checks each formula against official sources (IRS, HMRC, the Income Tax Department of India, CBSE, NHS, WHO) and reviews pages whenever rules change. Last reviewed on . Spotted a mistake? Tell us.