Step 1:
The first step to converting 138453.4573875 to a fraction is to re-write 138453.4573875 in the form p/q where p and q are both positive integers. To start with, 138453.4573875 can be written as simply 138453.4573875/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 138453.4573875, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 138453.4573875/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 138453.4573875/1 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 138453.4573875 as a fraction:
276907/2 / 1