Step 1:
The first step to converting 66638 to a fraction is to re-write 66638 in the form p/q where p and q are both positive integers. To start with, 66638 can be written as simply 66638/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 66638, which in this case is 0. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 66638/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 66638/1 each by 1:
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 66638 as a fraction:
66638/1 / 1