Step 1:
The first step to converting 28972.515432543 to a fraction is to re-write 28972.515432543 in the form p/q where p and q are both positive integers. To start with, 28972.515432543 can be written as simply 28972.515432543/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 28972.515432543, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 28972.515432543/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 28972.515432543/1 each by 1000000000:
Step 3:
Now the last step is to simplify the fraction (if possible) by finding similar factors and cancelling them out, which leads to the following answer for 28972.515432543 as a fraction:
57945/2 / 1