Respuesta :
I swear I just had seen the answer to this but I don’t remember it
For the 1 and 2/5, go four little lines past the 1.
-1/2, go five little lines in between 0 and -1.
and for -2 1/10, go to -2 and then one little line towards the 3, so it is one little line to the left of -2.