DanG wrote:
Pat,

I, too, use 1/8's for calling out cuts with helpers. It has
nothing to do with anyone's abilities, it has more to do with
sound levels on a construction site. ...


This was a common practice among molding, dado and plough plane
makers. A #4 dado would be 1/2" wide, for example.

I'm not clear on why it became customary in school to always
reduce fractions (is 'reduce' the right term?)

--

FF