Step 1:
The first step to converting 646448 to a fraction is to re-write 646448 in the form p/q where p and q are both positive integers. To start with, 646448 can be written as simply 646448/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 646448, which in this case is 0. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 646448/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 646448/1 each by 1:
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 646448 as a fraction:
646448/1 / 1