Step 1:
The first step to converting 457704390.1389 to a fraction is to re-write 457704390.1389 in the form p/q where p and q are both positive integers. To start with, 457704390.1389 can be written as simply 457704390.1389/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 457704390.1389, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 457704390.1389/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 457704390.1389/1 each by 10000:
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 457704390.1389 as a fraction:
457704390/1 / 1