Fraction Calculator
Add, subtract, multiply and divide fractions with simplified results.
Result
19/12
1.58333333 as a decimal
Decimal
1.58333333
Mixed number
1 7/12
Percentage
158.3333%
ShowHide the working
- 13/4 + 5/6
- 2Common denominator 4 × 6 = 24, giving 38/24
- 3Divide both by their gcd 2 → 19/12
Formula
a/b + c/d = (ad + cb) / bdHow it works
Adds, subtracts, multiplies or divides two fractions and reduces the answer to its lowest terms, with the decimal and mixed-number forms alongside.
Example
3/4 + 5/6 = 19/12, which is 1 7/12, or 1.5833 as a decimal.
About the Fraction Calculator
Add, subtract, multiply and divide fractions with simplified results. It sits in the Everyday section of NWS Calc, a free collection of calculators that run entirely in your browser. There is no signup, no paywall and no tracking — open the page, enter your numbers, get an answer.
Frequently asked questions
- Is the Fraction Calculator free to use?
- Yes. Every calculator on NWS Calc is completely free, with no signup, no usage limits and no ads.
- Does my data leave my device?
- No. The Fraction Calculator runs entirely in your browser using JavaScript. Nothing you type is uploaded, logged or stored on a server.
- Can I use the Fraction Calculator on my phone?
- Yes. The page is fully responsive and works in any modern mobile or desktop browser — there is nothing to install.
- What else is in Everyday?
- The calculators you reach for daily — basic math, percentages, tips, averages. You can browse the full Everyday category for related calculators.