Answer:
3 1/2 or 7/2
Step-by-step explanation:
KCF (Keep Change Flip)
3/4 x 4/1 = 3
3 + 1/2
3 1/2 or 7/2 (as an improper fraction)
7/2
3/4÷ 1/4= 3
3+1/2= 7/2