How do you add fractions?

Find a common denominator, add the numerators, then simplify.

Does this simplify the answer?

Yes. Results are reduced to lowest terms and also shown as a mixed number when possible.

Yes. Enter a whole number with denominator 1, or use the mixed-number fields.

Whole

What if the denominator is zero?

Division by zero is invalid. The tool will show an error until you enter a non-zero denominator.

Is data uploaded?

No. Math runs entirely in your browser.