Step 1:
The first step to converting 42136784.553816 to a fraction is to re-write 42136784.553816 in the form p/q where p and q are both positive integers. To start with, 42136784.553816 can be written as simply 42136784.553816/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 42136784.553816, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 42136784.553816/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 42136784.553816/1 each by 1000000:
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 42136784.553816 as a fraction:
42136784/1 / 1