Step 1:
The first step to converting 210096.42821745 to a fraction is to re-write 210096.42821745 in the form p/q where p and q are both positive integers. To start with, 210096.42821745 can be written as simply 210096.42821745/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 210096.42821745, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 210096.42821745/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 210096.42821745/1 each by 100000000:
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 210096.42821745 as a fraction:
420193/2 / 1