To convert 0.09 inches into a fraction, we start by recognizing that 0.09 can be written as 9/100. This is because the digit 9 is in the hundredths place. So, we have:
0.09 = 9/100
Next, we need to simplify this fraction if possible. In this case, 9 and 100 have no common factors other than 1, which means the fraction is already in its simplest form.
Thus, 0.09 inches as a fraction of an inch is:
9/100 inches