Fraction Calculator
Do math with fractions and see the answer simplified, as a mixed number and as a decimal.
- Never leaves your device
- No sign-up
| Simplified fraction | 5/4 |
| Mixed number | 1 1/4 |
| Decimal | 1.25 |
Quick answer: To calculate with fractions, enter the numerator and denominator of each fraction, pick the operation (+, −, × or ÷) and see the answer already simplified. When the result is greater than 1, you also get the mixed number, plus the decimal value.
How to do it in 3 steps
- 1Enter both fractions.
- 2Pick the operation.
- 3See the simplified answer.
Why use Pronto Arquivo
Automatic simplifying
Divides by the GCF: 6/8 becomes 3/4.
Mixed numbers
7/4 also shows as 1 3/4.
Decimal
To check against a regular calculator.
All four operations
Addition, subtraction, multiplication and division.
Guides
Adding fractions with unlike denominators
Use the least common denominator: 1/2 + 3/4 = 2/4 + 3/4 = 5/4.
Frequently asked questions
How do you add fractions?
Find a common denominator with the LCM, then add the numerators.
How do you multiply fractions?
Multiply numerator by numerator and denominator by denominator.
How do you divide fractions?
Multiply the first fraction by the reciprocal of the second.
How do you simplify a fraction?
Divide the numerator and denominator by their GCF.
