Operations with Rational Expressions

Operations of Rational Expressions

by JadeAnthony Dosdos

Addition and Subtraction of Rational Expressions​

​Warm-up:

Open Ended

Subtract: $$\frac{7}{8}-\frac{1}{2}=$$  

Open Ended

Add: $$\frac{2}{3}+\frac{3}{4}=$$  

​Core concepts:

​Example:

Draw

Find the sum: $$\frac{10x}{6x}+\frac{x}{4}=$$  

Draw

Find the difference: $$\frac{3}{4x}-\frac{1}{7}=$$  

Draw

Find the sum: $$\frac{6}{10x}+\frac{5}{x-1}=$$  

​Multiplication and Division of Rational Expressions

​Warm-up:

Open Ended

Find the product of $$\frac{3}{5}\cdot\frac{1}{9}=$$  

​Core concepts:

​Example:

Open Ended

Find the product of $$\frac{6x^2}{4xy}\cdot\frac{7y^2}{y}=$$  

Open Ended

Find the product of $$\frac{4x^2y^2}{2x}\cdot\frac{2x}{2xy^3}=$$