Step 1:
The first step to converting 644010.252013 to a fraction is to re-write 644010.252013 in the form p/q where p and q are both positive integers. To start with, 644010.252013 can be written as simply 644010.252013/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 644010.252013, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 644010.252013/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 644010.252013/1 each by 1000000:
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 644010.252013 as a fraction:
644010/1 / 1