Step 1:
The first step to converting 28664858.157142 to a fraction is to re-write 28664858.157142 in the form p/q where p and q are both positive integers. To start with, 28664858.157142 can be written as simply 28664858.157142/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 28664858.157142, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 28664858.157142/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 28664858.157142/1 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 28664858.157142 as a fraction:
28664858/1 / 1