How to use this calculator
Enter numerators and denominators for each fraction, then select an operation (+, −, ×, ÷). For mixed numbers, use the format 2 3/4. Click Calculate to see the simplified result, decimal equivalent, and step-by-step solution.
Fraction Calculator
Enter numerators (top) and denominators (bottom) for each fraction, then choose an operation.
Result
Result in decimals: 0.6607142857
Show calculation steps
2/7 + 3/8
= 16/56 + 21/56
= 37/56
Mixed Numbers Calculator
Enter mixed numbers (e.g. -2 3/4), fractions (e.g. 3/7), or integers.
Result
27/28
Improper fraction: 27/28
Decimal: 0.9642857143
Simplify Fractions Calculator
Enter a whole number (optional), numerator, and denominator to simplify to lowest terms.
Simplified Result
Decimal: 2.2142857143
Decimal to Fraction Calculator
Enter a decimal number to convert it to a simplified fraction.
Result
Fraction to Decimal Calculator
Enter a fraction to convert it to a decimal number.
Result
0.28571428571429
Big Number Fraction Calculator
Use this calculator when numerators or denominators are very large integers.
Result
25038801576374168561390767033449/6648130263342672078999418254752
Mixed: 3 5094410786346152324392512269193/6648130263342672078999418254752
About Fractions
A fraction represents a part of a whole, consisting of a numerator (top number) and a denominator (bottom number). For example, in ³⁄₈, the numerator is 3 and the denominator is 8.
Adding and subtracting fractions requires a common denominator — find the least common multiple (LCM) of the denominators, convert each fraction, then add or subtract the numerators.
Multiplying fractions is straightforward: multiply numerators together and denominators together, then simplify. Dividing fractions means multiplying by the reciprocal of the divisor.
Simplification reduces a fraction to its lowest terms by dividing both numerator and denominator by their greatest common factor (GCF).
Related Calculators
Fraction Tips
- →Always simplify your answer by dividing by the GCF.
- →To add fractions, find the LCM of the denominators first.
- →Dividing by a fraction = multiplying by its reciprocal.
- →Mixed numbers like 2 3/4 equal 11/4 as an improper fraction.
Full scientific calculator with trig, log, and memory functions.