There are an infinite number of fractions between any two numbers.
No one-half equals four-eighths so that means seven-eighths is greater than one-half(four eighths)
Just do the usual steps to add fractions. First, find the common denominator (8, in this case). Second, convert both fractions to the common denominator. Third, add the numerators.
three eighths
Fourteen sixteenths are equivalent to seven eighths.
23 and a half minus seven and five eighths equals 15.875
one and seven eighths
seven sixteenths
seven sixteenths 7/16
seven sixteenths
Eight and seven eighths.
Answer = seven eighths of an inch.
It is one negative half.