Step 1:
The first step to converting 697371855.87989 to a fraction is to re-write 697371855.87989 in the form p/q where p and q are both positive integers. To start with, 697371855.87989 can be written as simply 697371855.87989/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 697371855.87989, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 697371855.87989/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 697371855.87989/1 each by 100000:
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 697371855.87989 as a fraction:
697371855/1 / 1