Step 1:
The first step to converting 101890.67891208 to a fraction is to re-write 101890.67891208 in the form p/q where p and q are both positive integers. To start with, 101890.67891208 can be written as simply 101890.67891208/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 101890.67891208, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 101890.67891208/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 101890.67891208/1 each by 100000000:
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 101890.67891208 as a fraction:
305672/3 / 1