Step 1:
The first step to converting 213663469.54284 to a fraction is to re-write 213663469.54284 in the form p/q where p and q are both positive integers. To start with, 213663469.54284 can be written as simply 213663469.54284/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 213663469.54284, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 213663469.54284/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 213663469.54284/1 each by 100000:
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 213663469.54284 as a fraction:
213663469/1 / 1