Answer:
D 12 6/7
Step-by-step explanation:
12 4/7
10+2= 12
1/7+5/7=6/7
12+ 6/7=12 6/7
12 6/7
first, add the whole numbers:10+2=12
then,add the fractions:5/7+1/7=6/7
Therefore your answer is 12 6/7
