What is 2.5 as a fraction?

2.5 can be expressed as the fraction 5/2.

Here's why:

  • Understanding Decimals: The number 2.5 means 2 and 5 tenths.

  • Converting to a Fraction: We can write this as 2 + 5/10.

  • Simplifying: The fraction 5/10 can be simplified by dividing both the numerator (5) and the denominator (10) by their greatest common divisor, which is 5. This gives us 1/2.

  • Combining: Therefore, 2 + 1/2 = 5/2 (or 2 1/2 as a mixed number).