Step 1:
The first step to converting 101789990.40381 to a fraction is to re-write 101789990.40381 in the form p/q where p and q are both positive integers. To start with, 101789990.40381 can be written as simply 101789990.40381/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 101789990.40381, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 101789990.40381/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 101789990.40381/1 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 101789990.40381 as a fraction:
101789990/1 / 1