Example 1
- 0.75
3/4
What is 0.75 as a fraction? 3/4 after reducing.
Decimal to Fraction
The calculator turns a decimal into a reduced fraction. 0.75 is 3/4. 0.2 is 1/5. 2.5 is 5/2. Adding two fractions is on a separate page.
Adding and multiplying fractions is on the fraction calculator. The leftover after the integer is on fractional part.
Result
Enter a decimal number. The fraction will appear here.
How it works
The calculator looks for a reduced fraction. 0.75 is 3/4, because 75/100 reduces by 25. 0.2 is 1/5.
2.5 is 5/2. The mixed form 2 1/2 appears beside it when the numerator is larger than the denominator.
Zero gives 0/1. A whole number, for example 4, gives 4/1.
Adding 1/2 + 1/3 is on the fraction calculator. The fractional part of 3.25 is 0.25 and is on a different page.
A comma and a period give the same fraction. 0,75 and 0.75 are 3/4.
The calculator searches for a fraction with a denominator of at most 10,000. This is not money rounding.
Formula
p/q in lowest whole numbers, q ≤ 10,000
The calculator reduces the fraction. 0.75 is 3/4, not 75/100.
How to use
- Enter 0.75. The result is 3/4.
- Enter 0.2. The result is 1/5.
- Enter 2.5. The result is 5/2.
- To add two fractions, use the fraction calculator on a separate page.
0.75 is 3/4
The reduced fraction. 75/100 divides by 25 and gives 3/4.
- numerator
- The top number. In 3/4 it is 3.
- denominator
- The bottom number. In 3/4 it is 4.
- 0,75
- The example. That is 3/4, not 75/100.
Examples
Example 2
- 0.2
1/5
What is 0.2 as a fraction? 1/5.
Example 3
- 2.5
5/2
What is 2.5 as a fraction? 5/2, mixed 2 1/2.
Related calculators
Frequently asked questions
What is 0.75 as a fraction?
3/4. 75/100 reduces by 25.
What is 0.2 as a fraction?
1/5.
What is 2.5 as a fraction?
5/2. The mixed form is 2 1/2.
Is this adding fractions?
No. 1/2 + 1/3 belongs on the fraction calculator.
Does 0 give a fraction?
Yes. The result is 0/1.
Do a comma and a period both work?
Yes. 0,75 and 0.75 are 3/4.
How is this different from the fractional part?
The fractional part of 3.25 is 0.25. Here 0.75 becomes 3/4.
Is the fraction reduced?
Yes. 0.5 is 1/2, not 5/10.
Can the number be negative?
Yes. −0.75 is −3/4.
Is 1/3 from 0.333 exact?
The calculator looks for the best fraction with a denominator up to 10,000. 0.333 may not come out as exactly 1/3.
Sources
A common fraction is a ratio of two whole numbers.
Page updated in 2026.