15 15 SALA Learning Task 3: Find the sum and difference. Express the answer in lowest term. Write your answer in your notebook. 4) +/-/= 1) 10 12 21 11 3) 1/3 - 2/3 = Learning Task 4: Find th 5) 6) 5 8 5 16 + +1/2/2 +/03/- M 1/2 = 11 7) 8) 9) c/+ 28 I + 20 유+ㅎ 11 11 11​