# RATL 2 | Lesson 4 | Try This! (Fraction Computation Review)

1) Analyze the following problems. In which cases do you need to find a common denominator and in which cases could you cross multiply to find an answer? Explain your thinking.

a) Add. $$\Large \frac{3}{4}+\frac{2}{3}$$

b) Subtract. $$\Large \frac{2}{3}-\frac{x}{5}$$

c) Multiply. $$\Large \frac{3}{4}\cdot{\frac{4}{x}}$$

d) Divide. $$\Large \frac{7}{12}\div{\frac{1}{3}}$$

e) Solve. $$\Large \frac{2}{x}=\frac{4}{6}$$