Step 1:
The first step to converting 86345.813810202 to a fraction is to re-write 86345.813810202 in the form p/q where p and q are both positive integers. To start with, 86345.813810202 can be written as simply 86345.813810202/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 86345.813810202, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 86345.813810202/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 86345.813810202/1 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 86345.813810202 as a fraction:
431729/5 / 1