Step 1:
The first step to converting 212893938.1808 to a fraction is to re-write 212893938.1808 in the form p/q where p and q are both positive integers. To start with, 212893938.1808 can be written as simply 212893938.1808/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 212893938.1808, which in this case is 4. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 212893938.1808/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 212893938.1808/1 each by 10000:
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 212893938.1808 as a fraction:
212893938/1 / 1