Step 1:
The first step to converting 200198.80954159 to a fraction is to re-write 200198.80954159 in the form p/q where p and q are both positive integers. To start with, 200198.80954159 can be written as simply 200198.80954159/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 200198.80954159, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 200198.80954159/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 200198.80954159/1 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 200198.80954159 as a fraction:
200199/1 / 1