Fraction Addition (Like Denominators)

1. $1$

2.  $\dfrac{13}{15}$

3.  $1\dfrac{1}{10}$

4.  $\dfrac{11}{12}$

5.  $\dfrac{10}{11}$

6.  $1\dfrac{1}{8}$

7.  $\dfrac{11}{12}$

8.  $1\dfrac{1}{3}$

9.  $1\dfrac{1}{12}$

10.  $\dfrac{4}{5}$

11.  $1\dfrac{1}{8}$

12. $\dfrac{6}{11}$