4. Rational Functions and Equations

4.01 Rational functions

4.02 Rational expressions

4.03 Multiplying and dividing rational expressions

4.04 Adding and subtracting rational expressions

4.05 Solving rational equations

4.06 Geometric series

4.07 Modeling with rational functions

United States of America

Grades 9-12

4.04 Adding and subtracting rational expressions

Adaptive

Worksheet

Interactive practice questions

Evaluate and fully simplify:

$\frac{12}{y}+\frac{5}{y}$12y+5y

Medium

< 1min

Evaluate and fully simplify:

$\frac{6}{w}-\frac{3}{w}$6w−3w

Medium

< 1min

Evaluate and fully simplify:

$\frac{9}{s}-\frac{23}{s}$9s−23s

Medium

< 1min

Evaluate and fully simplify:

$\frac{22}{7n}+\frac{5}{7n}$227n+57n

Medium

< 1min

Outcomes

A.SSE.A.2

Use the structure of an expression to identify ways to rewrite it.

A.APR.D.7 (+)

Understand that rational expressions form a system analogous to the rational numbers, closed under addition, subtraction, multiplication, and division by a nonzero rational expression; add, subtract, multiply, and divide rational expressions.

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