Step 1:
The first step to converting 900423.9120168 to a fraction is to re-write 900423.9120168 in the form p/q where p and q are both positive integers. To start with, 900423.9120168 can be written as simply 900423.9120168/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 900423.9120168, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 900423.9120168/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 900423.9120168/1 each by 10000000:
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 900423.9120168 as a fraction:
900424/1 / 1