Step 1:
The first step to converting 319638.2071845 to a fraction is to re-write 319638.2071845 in the form p/q where p and q are both positive integers. To start with, 319638.2071845 can be written as simply 319638.2071845/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 319638.2071845, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 319638.2071845/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 319638.2071845/1 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 319638.2071845 as a fraction:
319638/1 / 1