Step 1:
The first step to converting 42760.121419321 to a fraction is to re-write 42760.121419321 in the form p/q where p and q are both positive integers. To start with, 42760.121419321 can be written as simply 42760.121419321/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 42760.121419321, which in this case is 9. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 42760.121419321/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 42760.121419321/1 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 42760.121419321 as a fraction:
342081/8 / 1