Step 1:
The first step to converting 26221.129578421 to a fraction is to re-write 26221.129578421 in the form p/q where p and q are both positive integers. To start with, 26221.129578421 can be written as simply 26221.129578421/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 26221.129578421, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 26221.129578421/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 26221.129578421/1 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 26221.129578421 as a fraction:
183548/7 / 1