Well the fractional lengths is the length of a fraction
10/1 units, presumably.
12/5
Ah, fractional edge length is simply a way to measure the length of a part of a whole. Imagine a beautiful painting, where each brushstroke contributes to the overall masterpiece. In the same way, fractional edge length helps us understand how much of the total length a specific part represents. It's like adding different colors to your painting, each one adding its own unique beauty to the final piece.
1/12
3/12 which of course is 1/4
Three is one fourth of 12.
12 1/2
12 5/8
6 1/2
2.4 = 24/10 = 12/5
12 1/2