Math

Decimal to Fraction Calculator

Convert a decimal into a fraction in its simplest form.

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This result is the same value written as a fraction in its simplest form, so it can be used directly in fraction calculations.

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 math?
Yes. It is a general-purpose math helper; for exam or professional work, still check the steps against your own working.

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Formula shown on the page

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