Enter two fractions and pick an operator — get the simplified result.
a/b + c/d = (ad + bc) / bd, then simplify by GCD.
1/2 + 1/3 = (1·3 + 1·2)/(2·3) = 5/6.
Fractions trip people up because the rules differ by operator. This fraction calculator handles all four and always returns a result in lowest terms.
Yes — results are automatically reduced using the greatest common divisor.
Convert to an improper fraction first (2 1/2 → 5/2).
The three most common percentage questions, answered instantly.
Type any expression using sin, cos, tan, log, ln, sqrt, ^, pi, e — evaluated safely.
Convert letter grades and credit hours into your weighted grade point average.