Step 1:
The first step to converting 124645.43420416 to a fraction is to re-write 124645.43420416 in the form p/q where p and q are both positive integers. To start with, 124645.43420416 can be written as simply 124645.43420416/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 124645.43420416, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 124645.43420416/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 124645.43420416/1 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 124645.43420416 as a fraction:
249291/2 / 1