Adding Mixed number fractions

1. Is this a correct answer?

• Yes, the students added correctly

• No, you cannot add unlike denominators

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

2. What is the LEAST common denominator (LCD) you could use to add 1/3 and 1/4?

• 3

• 4

• 12

. What is the FIRST step in solving this problem?

⅘ + ½ =

• add the numerators

• Find the common denominator

• Make each fraction into an improper fraction

Tags

CCSS.7.NS.A.1C

What is the next step to finding this answer?

• Add the numerators (1+1=2)

• Multiply 12 X 1 for both fractions to find a new numerator

• Multiply to find each new numerator by the multiple used to get 12. (3 X1) (4 X 1)

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Solve this equation using the least common denominator.

¼ + ½

• 3/4

• 2/8

• 6/4

• 6/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

. Solve this mixed number equation:

1⅔ + 1⅚

• 3 1/2

• 2 7/6

• 3 7/6

Tags

CCSS.7.NS.A.1C

Yao drank ¹¹ /₄ bottles of water during a soccer game. What is the number expressed as a mixed number?

• 3 ¹/₄

• 2 ³/₄

• 2 ¹/₂

8. What is the least common denominator of 1/2 and 3/7?

• 14

• 28

• 7

Convert this improper fraction to a mixed number: 12/6

• 1 1/3

• 1 2/6

• 2

• 1 6/6

10. 9 1/2 + 7 1/2

• 17

• 16

• 14 1/2

• 16 1/2

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D