Step 1:
The first step to converting 21141303.921064 to a fraction is to re-write 21141303.921064 in the form p/q where p and q are both positive integers. To start with, 21141303.921064 can be written as simply 21141303.921064/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 21141303.921064, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 21141303.921064/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 21141303.921064/1 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 21141303.921064 as a fraction:
21141303/1 / 1