Step 1:
The first step to converting 97142.780902587 to a fraction is to re-write 97142.780902587 in the form p/q where p and q are both positive integers. To start with, 97142.780902587 can be written as simply 97142.780902587/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 97142.780902587, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 97142.780902587/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 97142.780902587/1 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 97142.780902587 as a fraction:
388571/4 / 1