Step 1:
The first step to converting 109877920.8599 to a fraction is to re-write 109877920.8599 in the form p/q where p and q are both positive integers. To start with, 109877920.8599 can be written as simply 109877920.8599/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 109877920.8599, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 109877920.8599/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 109877920.8599/1 each by 10000:
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 109877920.8599 as a fraction:
109877920/1 / 1