Step 1:
The first step to converting 21305857.825212 to a fraction is to re-write 21305857.825212 in the form p/q where p and q are both positive integers. To start with, 21305857.825212 can be written as simply 21305857.825212/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 21305857.825212, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 21305857.825212/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 21305857.825212/1 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 21305857.825212 as a fraction:
21305857/1 / 1