Add and Subtract Rational Expressions w/ UNLIKE Denominators

1/3 + 5/12

• 6/12
• 6/15
• 3/4
• 4/4

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

8/9 - 1/3 = 

• 7/6
• 5/9
• 2/3
• 8/27

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Marty made two types of cookies.  He used 2/3 cups of sugar for one recipe and 1/4 cup of sugar for the other.  How much sugar did he use in all?

• 3/7
• 5/12
• 11/12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the common denominator for the two expressions?

• 3ab

• 6ab

• 3

• 6

Simplify the expression.

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Tags

CCSS.HSA.APR.A.1

CCSS.HSA.APR.D.6

CCSS.HSA.APR.D.7

CCSS.HSA.SSE.B.3

Simplify the expression.

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Tags

CCSS.HSA.APR.D.7

Simplify the expression.

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• 

Tags

CCSS.HSA.APR.D.7

Perform the indicated operation and simplify:  $\frac{1}{x}-\frac{1}{x-3}$  

•  $\frac{2x-3}{x\left(x-3\right)}$  

•  $\frac{1}{3}$  

•  $\frac{1}{x^2}$  

•  $\frac{-3}{x\left(x-3\right)}$  

Tags

CCSS.HSA.APR.D.6

CCSS.HSA.APR.D.7

Perform the indicated operation and simplify:  $\frac{7}{x+2}+\frac{4}{x-5}$  

•  $\frac{11}{\left(x+2\right)\left(x-5\right)}$  

•  $\frac{11x-3}{\left(x+2\right)\left(x-5\right)}$  

•  $\frac{11x-33}{\left(x+2\right)\left(x-5\right)}$  

•  $\frac{11x-27}{\left(x+2\right)\left(x-5\right)}$  

Tags

CCSS.HSA.APR.D.6

CCSS.HSA.APR.D.7

Simplify the expression.

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Tags

CCSS.HSA.APR.D.7