Let us understand the fractional multiplication visually. You may feel it is elementary. But it gives new perspective to fractional multiplication. First, let us take 4*3. Let us take a vertical line equally divided into 4 parts and horizontal line into 3 parts. The area enclosed is the result of 4*3. There are 12 unit squares. Hence the answer is 12 units. Now, how to visualize (1/2)*(1/2). Take...