Step 1:
The first step to converting 422556.8665924 to a fraction is to re-write 422556.8665924 in the form p/q where p and q are both positive integers. To start with, 422556.8665924 can be written as simply 422556.8665924/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 422556.8665924, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 422556.8665924/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 422556.8665924/1 each by 10000000:
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 422556.8665924 as a fraction:
422557/1 / 1