Fraction Addition (Unlike Denominators, No Mixed Numbers)

1. $\dfrac{68}{77}$ 

2. $\dfrac{1}{2}$

3. $\dfrac{9}{11}$

4. $1\dfrac{1}{14}$

5. $\dfrac{34}{45}$

6. $1\dfrac{11}{36}$

7. $\dfrac{18}{55}$

8. $1\dfrac{3}{28}$

9. $\dfrac{11}{16}$

10. $\dfrac{51}{77}$

11. $\dfrac{19}{22}$

12. $1\dfrac{5}{28}$