Step 1:
The first step to converting 418743.5311912 to a fraction is to re-write 418743.5311912 in the form p/q where p and q are both positive integers. To start with, 418743.5311912 can be written as simply 418743.5311912/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 418743.5311912, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 418743.5311912/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 418743.5311912/1 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 418743.5311912 as a fraction:
837487/2 / 1