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

Try This!

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. \(\Large \frac{2}{x}=\frac{4}{6}\)

Check solutions here.

Go to Watch (Solving Proportions)