Step 1:
The first step to converting 85996620.3968 to a fraction is to re-write 85996620.3968 in the form p/q where p and q are both positive integers. To start with, 85996620.3968 can be written as simply 85996620.3968/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 85996620.3968, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 85996620.3968/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 85996620.3968/1 each by 10000:
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 85996620.3968 as a fraction:
85996620/1 / 1