122 LearnersLast updated on December 16, 2025

The decimal 5.09 can be expressed as a mixed number, which includes a whole number and a proper fraction. This conversion is useful for better understanding and utilizing the number in various contexts. Let's convert 5.09 into a mixed number to see how many whole parts and what fraction remains.
Answer: In mixed number form, 5.09 is written as 5 ⁹/₁₀
Explanation: When converting a decimal to a mixed number, the whole number part is the integer portion of the decimal, and the fractional part is converted into a fraction.
Here, 5.09 has 5 as the whole number part. The decimal part, 0.09, can be written as 9/100, but simplified to ⁹/₁₀.
So, 5.09 = 5 ⁹/₁₀



