Subtract matrix M and matrix N

Question

M= [6 -2]
[0 1]

N= [2 4]
[1 -1]

Answer 1

M - N = [6 -2] - [2 4] = [6-2 -2-4] = [4 -6]
[0 1] [1 -1] [0-1 1+1] [ -1 2]