Reviewed by Jessica Kaminski
What is 2.5 as a Fraction?
Answer: 2.5 as a fraction is 5/2
Converting a decimal number like 2.5 into a fraction involves expressing the decimal as a ratio of two integers. This conversion is useful in mathematics for calculations that require fractions, or to better understand the relationship between parts and wholes.
Methods
Math Tutor Explanation Using the Place Value Method
By identifying the place value of the decimal digits, you can write the number as a fraction and then simplify if necessary.
Step 1: Step 1: Write 2.5 as 25/10 because the digit 5 is in the tenths place
Step 2: Step 2: Simplify 25/10 by dividing both the numerator and denominator by 5 to get 5/2
Math Tutor Explanation Using Mixed Number to Improper Fraction Method
First, express 2.5 as a mixed number and then convert it to an improper fraction.
Step 1: Step 1: Recognize that 2.5 = 2 + 0.5
Step 2: Step 2: Write 0.5 as 1/2 and combine with the whole number to get 2 1/2
Step 1:
Step 2:
Math Tutor suggests: More Ways to Convert Between Decimals and Fractions
Continue practicing converting decimals into fractions with these similar exercises. Strengthen your understanding by working with other decimal-to-fraction conversions.
FAQ on Converting Decimals to Fractions
What is the simplest form of 2.5 as a fraction?
The simplest form is 5/2
Can all decimals be written as fractions?
Only terminating or repeating decimals can be converted to exact fractions
How do you check your answer?
Divide the numerator by the denominator to see if you get the original decimal
Why is 2.5 not written as 2 1/2 in the answer?
While 2 1/2 is a mixed number, 5/2 is the improper fraction often preferred in calculations
Math & reading from 1st to 9th grade
Looking for homework support for your child?
Choose kid's grade
