Step 1:
The first step to converting 122479457.90359 to a fraction is to re-write 122479457.90359 in the form p/q where p and q are both positive integers. To start with, 122479457.90359 can be written as simply 122479457.90359/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 122479457.90359, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 122479457.90359/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 122479457.90359/1 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 122479457.90359 as a fraction:
122479457/1 / 1