Step 1:
The first step to converting 189900.40728926 to a fraction is to re-write 189900.40728926 in the form p/q where p and q are both positive integers. To start with, 189900.40728926 can be written as simply 189900.40728926/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 189900.40728926, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 189900.40728926/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 189900.40728926/1 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 189900.40728926 as a fraction:
379801/2 / 1