Express 3 1/4 inproper fraction
To express 3 1/4 as an improper fraction, you need to convert the mixed number (whole number and fractional part) into a fraction with a greater numerator than denominator.
First, multiply the whole number (3) by the denominator of the fractional part (4), and add the numerator of the fractional part (1). So, 3 * 4 + 1 = 12 + 1 = 13.
Now, write this sum (13) as the numerator of the fraction, and keep the denominator the same.
Therefore, 3 1/4 as an improper fraction is 13/4.