How would you express the fraction 1/5 in its decimal form?

The fraction 1/5 is expressed in decimal form as 0.2. This conversion is based on the understanding of how fractions represent a division of the numerator by the denominator. When you divide 1 by 5, you are determining how many times 5 fits into 1, which results in a decimal value. By performing the division, 1 divided by 5 equals 0.2, indicating that for every whole, there is 0.2 of that fractional part.

In terms of the other choices, 0.25 represents 1/4, 0.33 is a rounded value close to 1/3, and 0.5 equals 1/2. Each of these decimal values corresponds to fractions that are different from 1/5, highlighting the significance of accurate conversion between fractions and their decimal equivalents.