We must first make each fraction have a common denominator, this will be 12 2/3 * 4/4 = 8/12 3/4 * 3/3 = 9/12 4/2 * 6/6 = 24/12 we can then add the numerators of each fraction 8 + 9 + 24 = 41 so our answer is 41/12 we can not simplify any further and thus get 41/12