Step 1:
The first step to converting 121441.1642599 to a fraction is to re-write 121441.1642599 in the form p/q where p and q are both positive integers. To start with, 121441.1642599 can be written as simply 121441.1642599/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 121441.1642599, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 121441.1642599/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 121441.1642599/1 each by 10000000:
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 121441.1642599 as a fraction:
728647/6 / 1