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Add, subtract, multiply & divide fractions with step-by-step working.
First fraction
whole (optional) · numerator over denominator
Second fraction
whole (optional) · numerator over denominator
1 2/3 + 1/4 = 23/12
Simplified
Mixed number
Decimal
Step-by-step working
GCD(48, 180) = 12
Decimal: 0.266667
Add, subtract, multiply, and divide fractions and mixed numbers with full step-by-step working: mixed-to-improper conversion, common denominators, flip-and-multiply for division, and GCD simplification. Also simplify any single fraction or convert a terminating decimal to an exact fraction. Everything runs live in your browser with exact big-integer math — no rounding errors, no signup.
This tool performs exact fraction arithmetic, mixed number conversions, and decimal-to-fraction transformations with complete step-by-step working. Using big-integer math directly in the browser, it avoids rounding errors while requiring no software installation or user account.
Good to know: It is designed specifically for basic arithmetic, simplification, and conversion of fractions and mixed numbers rather than advanced algebraic equation solving.
Perform complex fraction arithmetic and mixed number conversions with full step-by-step mathematical working.
Select your calculation mode
Choose between basic arithmetic, fraction simplification, or decimal-to-fraction conversion based on your specific math problem.
Enter your fractions or mixed numbers
Input the numerators, denominators, and whole numbers into the designated fields for each value in your equation.
Choose the mathematical operator
Select whether you want to add, subtract, multiply, or divide the fractions using the operation toggle.
Review the step-by-step working
Examine the generated breakdown showing common denominators, improper fraction conversions, and GCD simplification steps.
Copy the final simplified result
View your final answer in its most reduced form and copy it for use in your homework or project.
Estimated time: PT1M
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