Step 1:
The first step to converting 8432.7861040078 to a fraction is to re-write 8432.7861040078 in the form p/q where p and q are both positive integers. To start with, 8432.7861040078 can be written as simply 8432.7861040078/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 8432.7861040078, which in this case is 10. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 8432.7861040078/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 8432.7861040078/1 each by 10000000000:
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 8432.7861040078 as a fraction:
118059/14 / 1