<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />

# Adding and Subtracting Rational Expressions where One Denominator is the LCD

## Combine fractions including variables, one-step LCM

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Adding and Subtracting Rational Expressions where One Denominator is the LCD

by CK-12 //at grade

This lesson covers adding and subtracting rational expressions when one of the denominators is the LCD.

0
• PLIX

## Adding and Subtracting Rational Expressions where One Denominator is the LCD: Ordering Steps

by CK-12 //at grade

Adding and Subtracting Rational Expressions where One Denominator is the LCD Interactive

0
• Practice
0%

## Adding and Subtracting Rational Expressions where One Denominator is the LCD Practice

by CK-12 //at grade
0

## Adding and Subtracting Rational Expressions where One Denominator is the LCD Quickwrite (PreRead)

by CK-12 //at grade

To activate prior knowledge, make personal connections, reflect on key concepts, encourage critical thinking, and assess student knowledge on the topic prior to reading using a Quickwrite.

0