Step 1:
The first step to converting 159099551.39819 to a fraction is to re-write 159099551.39819 in the form p/q where p and q are both positive integers. To start with, 159099551.39819 can be written as simply 159099551.39819/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 159099551.39819, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 159099551.39819/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 159099551.39819/1 each by 100000:
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 159099551.39819 as a fraction:
159099551/1 / 1