Answer
$(-4,-5,-5,-5,-4,-2)$
Work Step by Step
To subtract two vectors, subtract their components. This leaves $$\overrightarrow{A}=\overrightarrow{M}-\overrightarrow{N}=(1,1,2,3,5,8)-(5,6,7,8,9,10)$$ $$=(1-5,1-6,2-7,3-8,5-9,8-10)$$ $$=(-4,-5,-5,-5,-4,-2)$$