Step 1:
The first step to converting 21061636.628252 to a fraction is to re-write 21061636.628252 in the form p/q where p and q are both positive integers. To start with, 21061636.628252 can be written as simply 21061636.628252/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 21061636.628252, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 21061636.628252/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 21061636.628252/1 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 21061636.628252 as a fraction:
21061636/1 / 1