Answer: The answer is
Step-by-step explanation: Given in the question and the figure a large rectangle consisting of 12 squares of equal areas. We need to choose the right expression for the purple shaded area.
Considering the rectangle in the figure horizontally, there are 4 rows of 3 squares. So, in the last row, the fraction of purple shaded square is

And if consider the figure vertically, then there are 3 columns of 4 squares.
Therefore, the final fraction represented by the purple shaded area is

Thus, the correct option is