Step 1:
The first step to converting 35143.272421854 to a fraction is to re-write 35143.272421854 in the form p/q where p and q are both positive integers. To start with, 35143.272421854 can be written as simply 35143.272421854/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 35143.272421854, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 35143.272421854/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 35143.272421854/1 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 35143.272421854 as a fraction:
140573/4 / 1