Step 1:
The first step to converting 766143216.51425 to a fraction is to re-write 766143216.51425 in the form p/q where p and q are both positive integers. To start with, 766143216.51425 can be written as simply 766143216.51425/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 766143216.51425, which in this case is 5. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 766143216.51425/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 766143216.51425/1 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 766143216.51425 as a fraction:
766143216/1 / 1