Solve the rational numbers and write your answer in simplest form. 1. 5/6+(-7/8)= 2. -1/2+(-7/12)= 3. 1/2+12/16= 4. 2 2/3-1 2/4= 5. 27/54+1 1/2= 6. 4/5×11/22= 7. 7/8×1/2×1= 8. 25/125×4/5×0= 9. 3/7÷1/7= 10. 8/9÷2/3=?​