30 can be expressed as a fraction in multiple ways. The simplest form is to write it as 30/1. This means that 30 is equal to 30 divided by 1, which equals 30.
Additionally, you could represent 30 as a fraction of a larger number. For instance, if we take 30 out of 60, it could be expressed as 30/60. When simplified, this fraction reduces to 1/2.
In essence, while 30 itself is a whole number, it can be represented in fractional form depending on what context or comparison you are looking for.