Fractions Calculator
Adds, subtracts, multiplies, and divides fractions and mixed numbers
Top number of the first fraction
Bottom number of the first fraction
Select the arithmetic operation
Top number of the second fraction
Bottom number of the second fraction
The unsimplified result fraction
The result as a decimal number
The result reduced to lowest terms
Frequently Asked Questions
How do I add fractions with different denominators?
Find a common denominator by multiplying the two denominators together (or use the least common multiple). Convert each fraction to the common denominator, then add the numerators. Simplify the result by dividing both top and bottom by their greatest common divisor.
How do I simplify a fraction?
Find the greatest common divisor (GCD) of the numerator and denominator, then divide both by it. For example, 12/18 simplified: GCD of 12 and 18 is 6, so 12/6 = 2 and 18/6 = 3, giving 2/3.
How do I multiply fractions?
Multiply the numerators together and multiply the denominators together. For example, 2/3 times 4/5 equals 8/15. You can simplify before multiplying by canceling common factors between any numerator and any denominator.
How do I divide fractions?
Flip the second fraction (take its reciprocal) and multiply. For example, 2/3 divided by 4/5 becomes 2/3 times 5/4, which equals 10/12, simplified to 5/6. Dividing by a fraction is the same as multiplying by its inverse.
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