Step 1:
The first step to converting 120828.98817861 to a fraction is to re-write 120828.98817861 in the form p/q where p and q are both positive integers. To start with, 120828.98817861 can be written as simply 120828.98817861/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 120828.98817861, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 120828.98817861/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 120828.98817861/1 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 120828.98817861 as a fraction:
120829/1 / 1