Adding and Subtracting Mixed Numbers and Improper Fractions

What is the first step when adding fractions with different denominators?

• Add the numerators directly

• Find a common denominator

• Subtract the smaller denominator from the larger one

• Multiply the denominators

Tags

CCSS.7.NS.A.1C

What is the common denominator for the fractions 7/5 and 4/3?

• 10

• 12

• 15

• 20

How do you convert the improper fraction 41/15 to a mixed number?

• 2 and 1/15

• 3 and 1/15

• 3 and 11/15

• 2 and 11/15

What should you do if you have questions about the material?

• Rewatch the video

• Email Betsy

• Skip the question

• Ask a friend

What is the common denominator for the fractions 4/9 and 1/3?

• 3

• 6

• 9

• 12

What is the result of subtracting 2 and 1/3 from 3 and 4/9?

• 1 and 1/9

• 1 and 4/9

• 1 and 1/3

• 1 and 2/9

Tags

CCSS.7.NS.A.1C

What is the common denominator for the fractions 2/3 and 6/7?

• 28

• 21

• 42

• 14

How do you convert the improper fraction 32/21 to a mixed number?

• 1 and 11/21

• 2 and 10/21

• 1 and 10/21

• 2 and 11/21

What is the sum of 4 and 2/3 plus 5 and 6/7?

• 9 and 5/21

• 10 and 11/21

• 9 and 11/21

• 10 and 5/21

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

How many months does the average person spend waiting for a red traffic light to turn green?

• 12 months

• 6 months

• 9 months

• 3 months

Tags

CCSS.6.RP.A.3B