Step 1:
The first step to converting 64663.907645082 to a fraction is to re-write 64663.907645082 in the form p/q where p and q are both positive integers. To start with, 64663.907645082 can be written as simply 64663.907645082/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 64663.907645082, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 64663.907645082/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 64663.907645082/1 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 64663.907645082 as a fraction:
646639/10 / 1