add or subtract the following fractions. Express your answer in lowest term 1. 6 18/28 + 7/28 = 2. 3/5 + 4/7 = 3. 4/8 - 2/8 = 4. 14 14/18 - 5/18 5. 9 1/8 - 3 5/6 6. 8/28 + 12/28 need ko po now express your answer in lowest term please nonsense--- report