Step 1:
The first step to converting 428429.8727253 to a fraction is to re-write 428429.8727253 in the form p/q where p and q are both positive integers. To start with, 428429.8727253 can be written as simply 428429.8727253/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 428429.8727253, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 428429.8727253/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 428429.8727253/1 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 428429.8727253 as a fraction:
428430/1 / 1