Math
Decimal to Fraction Calculator
Convert a decimal into a fraction in its simplest form.
Formula
Write the decimal as a fraction over a power of ten, then divide the top and bottom by their greatest common divisor to simplify it.
How it works
Type a decimal such as 0.75. The calculator writes it over 100, then simplifies by the greatest common divisor, giving 3/4.
FAQs
What does the Decimal to Fraction do?
It takes the values you enter and works out the decimal to fraction for you, showing the result straight away.
What should I enter?
Enter ordinary numbers in the boxes above. If a value does not make sense for this calculation, the page will ask you to check it instead of showing a wrong answer.
Can I use the result for homework or everyday maths?
Yes. It is a general-purpose maths helper; for exam or professional work, still check the steps against your own working.