Step 1:
The first step to converting 642864.0642014 to a fraction is to re-write 642864.0642014 in the form p/q where p and q are both positive integers. To start with, 642864.0642014 can be written as simply 642864.0642014/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 642864.0642014, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 642864.0642014/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 642864.0642014/1 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 642864.0642014 as a fraction:
642864/1 / 1