Step 1:
The first step to converting 858759.377699 to a fraction is to re-write 858759.377699 in the form p/q where p and q are both positive integers. To start with, 858759.377699 can be written as simply 858759.377699/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 858759.377699, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 858759.377699/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 858759.377699/1 each by 1000000:
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 858759.377699 as a fraction:
858759/1 / 1