Grade 5 Mathematics Quiz: Adding Fractions with Unlike Denominators

Finding the least common denominator: What is the least common denominator for the fractions 1/3 and 2/5?

• 8

• 10

• 12

• 15

Finding the least common denominator: Find the least common denominator for the fractions 3/4 and 2/9.

• 36

• 20

• 45

• 27

Finding the least common denominator: Determine the least common denominator for the fractions 5/8 and 3/10.

• 15

• 25

• 50

• 40

Finding the least common denominator: What is the least common denominator for the fractions 7/12 and 5/6?

• 6

• 5

• 12

• 7

Converting fractions to equivalent fractions: Convert 2/3 to an equivalent fraction with a denominator of 9.

• 8/9

• 3/9

• 5/9

• 6/9

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Converting fractions to equivalent fractions: Change 3/5 to an equivalent fraction with a denominator of 20.

• 6/20

• 12/20

• 8/20

• 4/20

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Converting fractions to equivalent fractions: Convert 5/6 to an equivalent fraction with a denominator of 18.

• 11/12

• 3/4

• 7/8

• 15/18

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Converting fractions to equivalent fractions: Change 1/4 to an equivalent fraction with a denominator of 12.

• 7/12

• 3/12

• 2/12

• 5/12

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Adding fractions with unlike denominators: Add 1/4 and 3/8. Simplify the resulting fraction if possible.

• 2/8

• 4/8

• 7/8

• 5/8

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Adding fractions with unlike denominators: Add 2/5 and 1/6. Simplify the resulting fraction if possible.

• 5/12

• 4/9

• 3/11

• 17/30

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2