Decimal to Fraction Calculator
Convert a decimal number into a reduced fraction.
Decimal to Fraction Calculator
How this calculator works
A decimal can be written as an integer over a power of ten. Reduce the numerator and denominator by their greatest common factor. For example, 0.375 = 375/1000 = 3/8.
When to use it
Use this calculator to check homework, verify a manual calculation, compare examples, and explore how changing each input affects the result. Enter all measurements in compatible units and interpret the answer within the context of your problem.
Formula and examples
A decimal can be written as an integer over a power of ten. Reduce the numerator and denominator by their greatest common factor. For example, 0.375 = 375/1000 = 3/8.
Can I use decimal values?
Decimal values are supported when the mathematical operation permits them. Factorials require nonnegative whole numbers.
Why might a result be undefined?
Some operations have restrictions, such as division by zero, invalid logarithm bases, or a zero leading coefficient in a quadratic equation.