ARRA2020GO ARRA2020GO Math Answered find the sum and difference. Express the answer in lowest term. Write your answer in your notebook 1. 8/8 - 5/8 =2. 6/12 + 4/6 =3. 8/15 + 3/15 =4. 10/18 - 3/9 =5. 4/20 + 7/15 =6. 4/5 - 15/25 =7. 5 3/4 - 3 5/6 =8. 6 5/9 - 3 2/3 =9. 7 3/10 + 9 12/15 =