Step 1:
The first step to converting 218637.4550001 to a fraction is to re-write 218637.4550001 in the form p/q where p and q are both positive integers. To start with, 218637.4550001 can be written as simply 218637.4550001/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 218637.4550001, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 218637.4550001/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 218637.4550001/1 each by 10000000:
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 218637.4550001 as a fraction:
437275/2 / 1