the answer is 80
you divide 64 by the numerator, 4, which gives you 16, which you then multiply by the denominator, in this case it is 5, 16 x 5 equals 80.
The frets could be somewhere alongside the neck. Some diagrams are in favor of vertically oriented, rather than horizontally. But they function the same way, just turn it 90 degrees clockwise. So, the answer is fretboard diagrams can be oriented vertically or horizontally.
Birds live in most areas of the world.
Wow that’s great!!! I’m impressed?!!!