Add, subtract, multiply, and divide fractions instantly with step-by-step simplification to lowest terms.
A fraction calculator performs addition, subtraction, multiplication, and division on fractions and mixed numbers, showing every step from finding the LCD to simplifying the final answer to lowest terms. Instead of wrestling with common denominators on paper, you enter two fractions, pick an operation, and get a fully worked solution in seconds.
Fractions show up everywhere — cooking recipes, construction measurements, financial splits, and math homework. This calculator handles the tedious parts automatically while showing you the work, so you can learn the process or simply verify your own calculations.
Enter two fractions using the numerator and denominator fields, then select your operation (add, subtract, multiply, or divide). For addition and subtraction, the calculator finds the least common denominator, converts both fractions, combines the numerators, and simplifies. For multiplication and division, it multiplies across (flipping the divisor for division) and simplifies.
Every step is displayed in order — LCD calculation, fraction conversion, the operation itself, GCD determination, and final simplification — so you can follow the logic from start to finish.
To add 3/4 + 2/3, the calculator finds the LCD of 4 and 3, which is 12. It converts to 9/12 + 8/12, adds the numerators to get 17/12, checks for simplification (17 and 12 share no common factors), and returns 17/12 (or 1 5/12 as a mixed number). The decimal equivalent 1.4167 is also shown.
The calculator supports addition, subtraction, multiplication, and division of proper fractions, improper fractions, and whole numbers expressed as fractions. It covers every standard fraction operation you'd encounter in school or daily life.
Yes. Every calculation displays the full step-by-step process — finding the LCD, converting fractions, performing the operation, determining the GCD, and simplifying to lowest terms. This makes it a great learning tool as well as a quick-answer tool.
Absolutely. Enter a negative sign with either the numerator or the whole number portion. The calculator tracks negative signs through every step and places them correctly in the final answer.
The Least Common Denominator is the smallest number that both denominators divide into evenly. You need it for addition and subtraction because you can only combine fractions that share the same denominator. The calculator finds the LCD automatically.
Yes. Alongside the simplified fraction result, the calculator displays the decimal equivalent so you can see both representations of the answer.
Yes, the fraction calculator is completely free to use with no limits on the number of calculations you can perform.
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