Step 1:
The first step to converting 77245.882500545 to a fraction is to re-write 77245.882500545 in the form p/q where p and q are both positive integers. To start with, 77245.882500545 can be written as simply 77245.882500545/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 77245.882500545, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 77245.882500545/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 77245.882500545/1 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 77245.882500545 as a fraction:
617967/8 / 1