Answer: 7/2
Step-by-step explanation: To write a mixed as an improper fraction, first multiply the denominator by the whole number, then add the numerator.
So here, we multiply the denominator (2) by the whole number (3), then we add the numerator which is 1.
(2 x 3) + 1
6 + 1
7/2
Therefore, 3 and 1/2 can be rewritten as the improper fraction 7/2.