Free fraction calculators for simplifying, mixed numbers & fraction operations — fast, accurate, no sign-up.
Make fractions effortless with our free fraction calculators — handy tools for simplifying fractions, converting mixed numbers, finding common denominators, and performing fraction operations. Ideal for students learning fraction arithmetic, teachers preparing clear examples, parents helping with homework, and anyone who works with measurements, recipes, or ratios.
Adding, subtracting, multiplying, and dividing fractions by hand means juggling common denominators, cross-multiplication, and reducing answers to lowest terms — each step a chance for a small mistake. Our calculators take care of all of it: enter your fractions or mixed numbers, and get simplified results instantly, with answers shown as proper fractions, mixed numbers, and decimals where helpful.
This hub covers simplifying and reducing fractions, converting between improper fractions and mixed numbers, the four fraction operations (addition, subtraction, multiplication, division), comparing and ordering fractions, and fraction-to-decimal conversions. Every calculator is completely free, works on all devices, and requires no sign-up or download. Bookmark this page and explore our growing library of fraction calculators — making fractions simple, one calculation at a time.
Yes — every fraction calculator on Sigma Calculator is 100% free, with no sign-up and no limits.
Simplifying fractions, mixed numbers, adding and subtracting fractions, and fraction-to-decimal conversions — all in one place.
Enter the numerator and denominator in the simplifying calculator — it divides both by their greatest common divisor instantly.
Yes — the fraction-to-decimal tool gives the exact decimal plus the repeating-digit pattern where applicable.
Yes — every calculator is 100% mobile friendly and works instantly on any phone, tablet, or desktop.