Adding and Subtracting Fractions with Unlike Denominators

Olivia had a piece of wire that was 5 7/8 feet long. She cut a 1 2/10-foot section from the wire. Which measurement is closest to the length of the piece of wire remaining?

• 3 feet

• 4 feet

• 5 feet

• 6 feet

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Marci and Jake walked home from school. Marci walked 3/5 of a mile to her house. Jake walked 3/4 of a mile to a friend’s house and then 1/2 of a mile to his house. How many miles did Marci and Jake walk?

• 7/11

• 17/20

• 1 7/20

• 1 17/20

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Jada has 1/4 cup of juice. Her sister has 2/3 cup of juice. Jada adds the amount and says that together they have 3/7 of a cup of juice. Which comparison explains why Jada's answer is not correct?

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Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Joel has 5 yards of wrapping paper. He uses 2/3 yards to wrap a small gift and 2 2/3 yards to wrap a large gift. How much wrapping paper will Joel have left?

• 1 2/3 yards

• 2 2/3 yards

• 3 1/3 yards

• 8 1/3 yards

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Jimmy and his friends ate pizza after the game Friday night. On Saturday, Jimmy saw there were 1 1/8 pizzas left. He ate 3/4 of the pizza for lunch. How much pizza was left?

• 3/8

• 3/4

• 1 1/2

• 1 7/8

Tags

CCSS.7.NS.A.1C

Students in the drama club are going to a store to buy material. They need 1/5 yard of blue material and 1/2 yard of green material. One student estimates that 1/5 + 1/2 = 2/7. Which of the following is true?

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Tags

CCSS.5.NF.B.5A

Mary had 3/8 cup of dog food. She spilled 1/4 cup of dog food on the floor. Which fraction represents how much dog food is in the cup?

• 2/4

• 3/8

• 1/4

• 1/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 1/2

• 3/4

• 5/8

• 9/16

Tags

CCSS.3.NF.A.2B

CCSS.3.NF.A.1

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Tags

CCSS.7.NS.A.1C

• He added instead of subtracting.

• He used incorrect equivalent fractions.

• He used mixed numbers instead of whole numbers.

• He put the fraction after the whole number instead of before it.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2