Fraction Calculator

Perform add, subtract, multiply, and divide on fractions.

Tool Guide

Tool Introduction

The Online Fraction Calculator can quickly perform addition, subtraction, multiplication, division, and other operations on multiple fractions, supporting calculation of any number of fractions.

Time Add/Subtract

Add or subtract a time duration from a given time.

Factorial Calculator

Free online factorial calculator for non-negative integers.

GCD Calculator

Free online GCD calculator — quickly find the greatest common divisor of integers.

LCM Calculator

Free online LCM calculator — quickly compute the least common multiple.

Reduce Fraction Calculator

Free online fraction reducer — simplify fractions to lowest terms.

Fraction Common Denominator

Find a common denominator for multiple fractions.