Step 1:
The first step to converting 387090931.53992 to a fraction is to re-write 387090931.53992 in the form p/q where p and q are both positive integers. To start with, 387090931.53992 can be written as simply 387090931.53992/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 387090931.53992, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 387090931.53992/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 387090931.53992/1 each by 100000:
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 387090931.53992 as a fraction:
387090931/1 / 1