Step 1:
The first step to converting 418460.90147143 to a fraction is to re-write 418460.90147143 in the form p/q where p and q are both positive integers. To start with, 418460.90147143 can be written as simply 418460.90147143/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 418460.90147143, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 418460.90147143/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 418460.90147143/1 each by 100000000:
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 418460.90147143 as a fraction:
418461/1 / 1