2.00 is an integer = 2, and not a fraction.
1101 is an integer, but you can convert it into a fraction by writing it as 1101/1
Since 75 is an integer, there is no need to convert it to a fraction. 70/5 = 14
586 is an integer and it makes little sense to convert it to a fraction.
900 is an integer and there is no sensible way to convert it into a fraction.
8181818181 in an integer, not a fraction. But, if you had to convert it to a fraction, you could write it as 8181818181/1
You can convert any integer into a fraction, by putting the integer into the numerator, and 1 into the denominator. Thus, 105 = 105/1.
541 is an integer and not a fraction but, if you must, you could express it as 541/1
110 is an integer: there is not a sensible way to convert it to a fraction.
034 is an integer, not a fraction and it makes little sense to convert it to a fraction. However, if you must, it is simply 034/1 = 34/1.
0.999 repeating = 1 (the integer).
You can either add the fractional parts and, if required, convert the answer to a mixed fraction and then add the integer part to the integer parts of the two original numbers; or change both numbers to top-heavy (or improper) fractions, add them and then convert the answer to a mixed fraction.