80/79 is a superparticular interval in the 79-limit (2.5.79 subgroup) of about 21.8 cents. A good EDO approximation is 1 step of 55edo, which results in a closing error of around 2.3 cents.

Interval information
Ratio 80/79
Subgroup monzo 2.5.79 [4 1 -1
Size in cents 21.77682¢
Name(s) missing ? 
FJS name [math]\displaystyle{ \text{P1}^{5}_{79} }[/math]
Special properties superparticular,
reduced
Tenney norm (log2 nd) 12.6257
Weil norm (log2 max(n, d)) 12.6439
Wilson norm (sopfr(nd)) 92
Open this interval in xen-calc