Geniusbrainpower1 can you help me with this one i will mark you brainliest when it lets me solve, show your answer in simplest terms 3 1/7 plus 6 4/21 A 9 7/42 B 9 1/3 C 9 7/21 D 9 12/21

9 1/3

Step-by-step explanation:

3 1/7 + 6 4/21

Get a common denominator of 21

3 1/7*3/3  + 6 4/21

3 3/21 + 6 4/21

9 7/21

Simplify by dividing the top and bottom by 7

9 1/3

no pictures of the graph