Math
Fraction Calculator
Add two fractions and simplify the result automatically.
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How this calculation works
Add two fractions and simplify the result automatically. Enter your values, select Calculate, then review the result. You can change any value and calculate again.
Formula used
n₁/d₁ + n₂/d₂ = (n₁d₂ + n₂d₁) ÷ d₁d₂
Good to know
Results are estimates for informational purposes.
Example calculation
1/2 + 1/3 = 5/6
How to use this calculator
- Enter your values, select Calculate, then review the result. You can change any value and calculate again.
- Check units and time periods before comparing two results.
- Change one input at a time to understand its effect.
Frequently asked questions
What does the Fraction Calculator calculate?
Add two fractions and simplify the result automatically. The result is calculated from the values you enter and the formula shown on this page.
Which assumptions does the Fraction Calculator use?
It applies n₁/d₁ + n₂/d₂ = (n₁d₂ + n₂d₁) ÷ d₁d₂. Values, fees, rules or timing not represented by an input are not added automatically.