Fraction Calculator

Add, subtract, multiply or divide two fractions with simplified results.

Numerator 1

Denominator 1

Operation

Numerator 2

Denominator 2

Result (simplified)

5/6

Last updated: 2026-08-30

Was this calculator helpful?

FAQ

How do I add fractions?

Rewrite both over a common denominator, add the numerators, then simplify by their greatest common divisor.

How do I divide fractions?

Multiply the first fraction by the reciprocal of the second — flip the second fraction and multiply.

Why simplify the result?

The simplified form uses the smallest whole numerator and denominator, which makes the value easiest to read and compare.

Calculate percentages three ways: what is X% of Y, X is what percent of Y, and Y increased or decreased by X%.

Calculate the percentage increase or decrease between two values, with the absolute difference and direction.

Find the percentage difference between two values relative to their average — the symmetric comparison used in science and engineering.

Calculate the sale price after a discount, how much you save, and the final price with sales tax included.