Step 1:
The first step to converting 387120.8372718 to a fraction is to re-write 387120.8372718 in the form p/q where p and q are both positive integers. To start with, 387120.8372718 can be written as simply 387120.8372718/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 387120.8372718, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 387120.8372718/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 387120.8372718/1 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 387120.8372718 as a fraction:
387121/1 / 1