STEP BY STEP
How to use the Fraction Calculator
- Enter the numerator and denominator of each fraction.
- Choose an operation.
- Calculate to see the simplified fraction and decimal.
- Copy the result.
Math & Number Systems
Fraction Calculator
Add, subtract, multiply, or divide two fractions and simplify the result.
GlobalExact or deterministic
=Your result will appear here
Enter values and select Calculate.
APPLICABILITY
Where this result fits
- Region
- Global
- Result type
- Exact or deterministic
- Standards basis
- NIST Digital Library of Mathematical Functions
- Edition / version
- Named mathematical reference; publisher page reviewed July 25, 2026
Important: Use the displayed precision and the stated domain limits for your purpose. Methodology
ACCURACY & LIMITS
What to know before using the result
- Denominators cannot be zero.
- Whole-number inputs are supported by using a denominator of 1.
HELP
Frequently asked questions
How accurate is the Fraction Calculator?
The calculator uses the formula shown on this page and keeps full numeric precision internally before formatting the result. Denominators cannot be zero.
Does the Fraction Calculator upload my input?
No. The calculation or processing runs locally in your browser. UtiliNest does not receive or store the values you enter.
Can I use the Fraction Calculator on a phone?
Yes. The inputs, result controls, and explanatory content are designed for current mobile and desktop browsers.
Where does the Fraction Calculator apply?
Applicability: Global. Result classification: Exact or deterministic. Use the displayed precision and the stated domain limits for your purpose.
SOURCES
Definitions and references
Reviewed against the references below on July 25, 2026. Links open the source publisher's website. Read the source policy