Fraction Calculator
Add, subtract, multiply and divide fractions and mixed numbers with simplified answers and steps. Convert decimals to fractions.
About Fraction Calculator
This fraction calculator online adds, subtracts, multiplies and divides fractions, mixed numbers, whole numbers and decimals. Type a fraction as 3/4 or a mixed number as 1 1/2, pick the operation and you get the simplified answer, the mixed number form, the decimal value and step-by-step working.
It is useful for students checking homework, parents helping with class 6 fraction worksheets and anyone who needs to simplify fractions quickly. A built-in converter also turns decimals into fractions and back, and mixed numbers into improper fractions. The calculator is free, needs no sign-up and runs in your browser.
How to use Fraction Calculator
- Type each fraction as 3/4, a mixed number as 1 1/2, or a whole number or decimal.
- Pick the operation.
- Read the simplified answer, mixed number, decimal and step-by-step working.
- Use the converter below to switch between decimals and fractions.
Frequently asked questions
How do I add fractions with different denominators?
Find the least common denominator (LCD), rewrite each fraction over it, then add the numerators. 1/4 + 1/6 → 3/12 + 2/12 = 5/12.
How do I divide fractions?
Multiply by the reciprocal of the second fraction: 2/3 ÷ 4/5 = 2/3 × 5/4 = 10/12 = 5/6.
What do brackets in a decimal mean?
The digits in brackets repeat forever. 1/3 = 0.(3) means 0.3333…, and 1/7 = 0.(142857).
How do I simplify a fraction?
Divide the numerator and denominator by their highest common factor. For example, 18/24 becomes 3/4 after dividing both by 6; the calculator does this automatically.
How do I convert a mixed number to an improper fraction?
Multiply the whole number by the denominator, add the numerator and keep the same denominator. So 2 3/5 becomes 13/5.
Can I use whole numbers with fractions?
Yes. Type a whole number such as 4 in either box and it is treated as 4/1.
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