A. Independent Activity 1 Directions: Find the sum or difference. Express your answers to their lowest terms it possible. Write your answer on your answer sheet. 4.) 7 B 6 3 16 1.) + 9 10 11 16 11 3 3 2.) 1 5- 10 5.) 8 6- 15 10 15 4 8 12 3.) + 12​