Step 1:
The first step to converting 42866.218414387 to a fraction is to re-write 42866.218414387 in the form p/q where p and q are both positive integers. To start with, 42866.218414387 can be written as simply 42866.218414387/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 42866.218414387, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 42866.218414387/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 42866.218414387/1 each by 1000000000:
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 42866.218414387 as a fraction:
171465/4 / 1