To turn a mixed number into an improper fraction, you have to multiply the denominator with the whole number and add the numerator to the result. The denominator doesn't change.
The denominator is 4. The whole number is 2. Multiply:
The numerator is 3. Add that to the product of the denominator and whole number.
The denominator stays the same. The denominator is 4. Make it as a fraction(improper).
Your answer is