1Adding 2/3 + 3/4

Work out 2/3 + 3/4. Give the answer as an improper fraction in simplest form.

The answer is 17/12, already in simplest form since 17 and 12 share no common factor. Using a common denominator of 12, 2/3 becomes 8/12 and 3/4 becomes 9/12, so 8/12 + 9/12 = 17/12.