Step 1:
The first step to converting 664106.21950184 to a fraction is to re-write 664106.21950184 in the form p/q where p and q are both positive integers. To start with, 664106.21950184 can be written as simply 664106.21950184/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 664106.21950184, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 664106.21950184/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 664106.21950184/1 each by 100000000:
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 664106.21950184 as a fraction:
664106/1 / 1