Math & Statistics
Fraction Calculator
Add two fractions and reduce the result.
Your inputs
Change any value to update the result instantly.
Decimal result
0.8333
Result numerator
5
Result denominator
6
Formula and working
a/b + c/d = (ad + bc) / bd
- 1
Substitute your values
First numerator = 1; First denominator = 2; Second numerator = 1; Second denominator = 3
- 2
Apply the formula
a/b + c/d = (ad + bc) / bd = 0.83
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
Report a mistake or request an improvement
Tell us if a formula, unit, explanation, or result needs attention. Your message will include this calculator’s name and page.
Related calculators
Percentage Calculator
Find a percentage of any number.
Ratio and Proportion Calculator
Solve for the missing value in a proportion a:b = c:d.
Ratio Calculator
Simplify a two-number ratio.
Progressions Calculator
Find the nth term and sum of arithmetic, geometric or harmonic progressions.
3D Distance Calculator
Find the straight-line distance between two points in 3D space.
3D Midpoint Calculator
Find the midpoint between two points in 3D space.
