Operations of Rational Expressions with the Same Denominator

Allison and Wesley are adding 1/7 and 3/7. Who is correct?

• Wesley

• Allison

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

It can be written in the form P/Q where P and Q are both polynomials and Q is not equal to 0.

• Expressions

• Decimal expressions

• Rational expressions

• Percentage

Tags

CCSS.7.EE.A.2

CCSS.HSA.SSE.A.2

Add:

• (x+2) / (2x+6)

• 2/3

• (x+2) / (x+3)

• 6x / 8x

Tags

CCSS.HSA.APR.D.7

Subtract and evaluate:

• (4a + 4) / (5 - a)

• 3 / 5

• (2a + 1) / (5 - a)

• -4

Tags

CCSS.6.EE.A.2C

Perform the indicated operations and simplify your answer.

Tags

CCSS.HSA.APR.D.6

Perform the operation

• A

• B

• C

• D

Tags

CCSS.HSA.APR.D.7

Simplify:

• 
• 
• 
• 

Tags

CCSS.HSA.APR.D.7

Simplify the expression

• (2a + 4b) / 12b²

• (2a - 4b) / 12b² 

• (a - b) / 6b²

• (a + 2b) / 6b² 

Tags

CCSS.HSA.APR.D.7

• 
• 
• 
• 

Tags

CCSS.HSA.APR.D.7

Simplify. 

• A

• B

• C

• D

Tags

CCSS.HSA.APR.D.6