Step 1:
The first step to converting 90539.218078312 to a fraction is to re-write 90539.218078312 in the form p/q where p and q are both positive integers. To start with, 90539.218078312 can be written as simply 90539.218078312/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 90539.218078312, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 90539.218078312/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 90539.218078312/1 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 90539.218078312 as a fraction:
362157/4 / 1