Step 1:
The first step to converting 45385.125690872 to a fraction is to re-write 45385.125690872 in the form p/q where p and q are both positive integers. To start with, 45385.125690872 can be written as simply 45385.125690872/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 45385.125690872, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 45385.125690872/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 45385.125690872/1 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 45385.125690872 as a fraction:
317696/7 / 1