9) 1 1/2 + 2 =

Convert the mixed number to an improper fraction: $$1 \frac{1}{2} = \frac{3}{2}$$. Add the whole number to the fraction: $$\frac{3}{2} + 2$$. Find a common denominator, which is 2. $$2 = \frac{4}{2}$$. Add the fractions: $$\frac{3}{2} + \frac{4}{2} = \frac{7}{2}$$. Convert back to a mixed number: $$\frac{7}{2} = 3 \frac{1}{2}$$.