Depends on the crews tolerances? I’ve used + or - to refer to 16ths and only call out 1/8ths. 1 1/2" would be “One and four” 1 7/16ths would be “One and three plus”
In old timey boat building they denoted feet°inches°eighths°plus so 58 5/16ths would get written as 4°10°2+