Adding and Subtracting Fractions Calculator
Result
Adding and Subtracting Fractions Calculator The Adding and Subtracting Fractions Calculator combines two fractions using either addition or subtraction and returns the answer in lowest terms plus its decimal value. Choose the operation, enter each numerat — free online calculator.
Formula
- Adding and Subtracting Fractions Calculator calculates its result from a, b, c, d. It uses the formula Calculated with the verified ST Calculator runtime.. Change any input to recalculate the result instantly.
- The main inputs are First fraction — numerator, First fraction — denominator, Operation, Second fraction — numerator, Second fraction — denominator. Enter them in the units and format shown in the calculator.
- Keep comparable quantities in compatible units whenever the formula combines or compares them.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: Adding and Subtracting Fractions
- First fraction — numerator: 3
- First fraction — denominator: 4
- Operation: subtract
- Second fraction — numerator: 1
- Second fraction — denominator: 2
3/4 − 1/2 = 1/4 = 0.25.
Sample result: Calculating…
Frequently asked questions
What does the Adding and Subtracting Fractions calculate?
Adding and Subtracting Fractions Calculator The Adding and Subtracting Fractions Calculator combines two fractions using either addition or subtraction and returns the answer in lowest terms plus its decimal value. Choose the operation, enter each numerat — free online calculator.
Which values should I enter?
Enter First fraction — numerator, First fraction — denominator, Operation, Second fraction — numerator, Second fraction — denominator using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: (a/b) ± (c/d) = (ad ± bc)/(bd), with integer fractions simplified by their greatest common divisor..
Why might my result differ from another source?
Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.