Step 1:
The first step to converting 64485.574608564 to a fraction is to re-write 64485.574608564 in the form p/q where p and q are both positive integers. To start with, 64485.574608564 can be written as simply 64485.574608564/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 64485.574608564, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 64485.574608564/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 64485.574608564/1 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 64485.574608564 as a fraction:
322428/5 / 1