Step 1:
The first step to converting 420774.3531616 to a fraction is to re-write 420774.3531616 in the form p/q where p and q are both positive integers. To start with, 420774.3531616 can be written as simply 420774.3531616/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 420774.3531616, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 420774.3531616/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 420774.3531616/1 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 420774.3531616 as a fraction:
420774/1 / 1