Operations on Fractions Mastery Check Drills

What is the missing numerator?

 $\frac{1}{4}+\frac{?}{4}+\frac{3}{4}=\frac{6}{4}=\frac{3}{2}=1\frac{1}{2}$  

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CCSS.4.NF.B.3A

 $\frac{4}{7}+\frac{2}{7}=?$  

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CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

 $\frac{3}{4}+\frac{1}{4}=?$  

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CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

 $\frac{5}{8}-\frac{2}{8}=?$  

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CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

 $\frac{7}{9}-\frac{?}{9}=\frac{5}{9}$  

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CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

 $\frac{1}{2}+\frac{2}{3}=?$  

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

 $\frac{5}{9}+\frac{1}{2}=?$  

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

 $\frac{8}{9}-\frac{2}{3}=?$  

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

 $\frac{5}{8}+9\frac{3}{8}=?$  

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CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

 $5-2\frac{5}{7}=?$  

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CCSS.7.NS.A.1C