Simplify fractions
Reduce answers by the greatest common factor so results are easier to read and check.
Step-by-step math helper
Free Fraction Calculator
A fraction calculator solves fraction math and shows a simplified answer. Use it to add, subtract, multiply, divide, simplify, and convert fractions into mixed numbers, decimals, and percents.
Current answer
1 3/20
3/4 + 2/5 = 1 3/20
Simplified result
The calculator is adding your fractions and reducing the answer to simplest form.
Fraction
23/20
Mixed number
1 3/20
Decimal
1.15
Percent
115%
Equation
3/4 + 2/5 = 1 3/20
Step-by-step work
- 1.Use common denominator 20.
- 2.3/4 becomes 15/20.
- 3.2/5 becomes 8/20.
- 4.15 + 8 = 23.
- 5.Simplify 23/20 to 23/20.
Convert to decimals
See decimal and percent forms next to the exact fraction for homework, recipes, and quick checks.
Learn the method
Each result includes the common denominator, reciprocal, or multiplication steps behind the answer.
Fraction calculator FAQ
Short answers for students, parents, and teachers checking fraction math.
What is a fraction calculator?
A fraction calculator solves fraction math and returns a simplified answer. It can add, subtract, multiply, divide, convert to decimals, and show the steps used to reach the result.
How do you add fractions with different denominators?
Find a common denominator, rewrite each fraction with that denominator, add the numerators, and simplify the answer. This calculator performs those steps automatically.
How do you simplify a fraction?
Divide the numerator and denominator by their greatest common factor. If no larger common factor exists, the fraction is already in simplest form.
How do you convert a fraction to a decimal?
Divide the numerator by the denominator. For example, 3/4 becomes 0.75 because 3 divided by 4 equals 0.75.
Can this calculator handle mixed numbers?
Yes. Enter the whole number, numerator, and denominator. The calculator converts mixed numbers to improper fractions for the math, then shows the simplified mixed-number result.
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