Step 1:
The first step to converting 66117319.29458 to a fraction is to re-write 66117319.29458 in the form p/q where p and q are both positive integers. To start with, 66117319.29458 can be written as simply 66117319.29458/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 66117319.29458, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 66117319.29458/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 66117319.29458/1 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 66117319.29458 as a fraction:
66117319/1 / 1