What is the solution to 2 6/7 divided by 2/14 ?

A)7
B)14
C)20
D)40

I think answer is 10, which is not an option. Can you tell me what I am doing wrong? Many thanks. Jamie

1 answer

2 6/7 = 20/7 = 40/14

(40/14) / (2/14) = (40/14)(14/2) = 40/2 = 20