Answer:
D) 12 1/14
Step-by-step explanation:
6 2/7+5 11/14
1)
6+5=11
2)
2/7+11/14=
2/7 x 2/2=4/14
3)
4/14+11/14=15/14
4)
15/14= 1 1/14
5)
11+ 1 1/14= 12 1/14
The answer to the question is D