Adding Fractions Calculator
Enter two fractions to add:
Add and subtract fractions with this calculator and see the work to solve the problem. Select the number of fractions in your problem and input numerators (top numbers) and denominators (bottom numbers) in the calculator fields. Click the Calculate button to solve the equation and show the work.
You can add and subtract 3 fractions, 4 fractions, 5 fractions or up to 9 fractions at once.
How to Add and Subtract Fractions
With Like Denominators: When fractions have the same bottom numbers you can add or subtract the top numbers and put the result over the common denominator.
Rules for Math with Negative Numbers
| Rule Type | Signs | Operation |
|---|---|---|
| Add positive or subtract negative | (+ and +) or (- and -) | Add numbers — same sign as operation |
| Add negative or subtract positive | (+ and -) or (- and +) | Subtract numbers — sign of larger number |
Why is it Important to Understand Fractions?
Fractions come up everywhere in daily life — recipes, budgets, or measurements. Understanding how to add and subtract fractions helps you make accurate calculations, from cooking to financial planning.