Step 1:
The first step to converting 126005.45353431 to a fraction is to re-write 126005.45353431 in the form p/q where p and q are both positive integers. To start with, 126005.45353431 can be written as simply 126005.45353431/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 126005.45353431, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 126005.45353431/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 126005.45353431/1 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 126005.45353431 as a fraction:
252011/2 / 1