Adding Fractions HW

Evaluate each expression. Simplify your answer completely.

• $\frac{1}{5}$

• $\frac{4}{20}$

• $\frac{10}{13}$

• $\frac{13}{16}$

What is wrong with the student's work? Select all that apply.

• Nothing, the student correctly added.

• You cannot add unlike denominators

• 2 + 3 is not 5

• 5+7 is not 12

Decide if the fractions are equivalent or not equivalent.

• equivalent 
• not equivalent

Tags

CCSS.4.NF.A.1

CCSS.5.NF.B.5B

Decide if the fractions are equivalent or not equivalent.

• equivalent
• not equivalent

Tags

CCSS.4.NF.A.1

CCSS.5.NF.B.5B

 $\frac{2}{5}+\frac{2}{9}$  

Multiply 12 × 905

• 10,860

• 1650

• 12,905

• 514,234