Step 1:
The first step to converting 45117223.42378 to a fraction is to re-write 45117223.42378 in the form p/q where p and q are both positive integers. To start with, 45117223.42378 can be written as simply 45117223.42378/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 45117223.42378, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 45117223.42378/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 45117223.42378/1 each by 100000:
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 45117223.42378 as a fraction:
45117223/1 / 1