Step 1:
The first step to converting 688570 to a fraction is to re-write 688570 in the form p/q where p and q are both positive integers. To start with, 688570 can be written as simply 688570/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 688570, which in this case is 0. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 688570/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 688570/1 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 688570 as a fraction:
688570/1 / 1