Step 1:
The first step to converting 11916490.891855 to a fraction is to re-write 11916490.891855 in the form p/q where p and q are both positive integers. To start with, 11916490.891855 can be written as simply 11916490.891855/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 11916490.891855, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 11916490.891855/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 11916490.891855/1 each by 1000000:
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 11916490.891855 as a fraction:
11916490/1 / 1