Step 1:
The first step to converting 43146.637642828 to a fraction is to re-write 43146.637642828 in the form p/q where p and q are both positive integers. To start with, 43146.637642828 can be written as simply 43146.637642828/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 43146.637642828, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 43146.637642828/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 43146.637642828/1 each by 1000000000:
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 43146.637642828 as a fraction:
129440/3 / 1