And Subtract Fraction With Unlike Denominators

What is the least common denominator you could use to subtract 1/3 and 1/4?

• 3

• 4

• 24

• 12

What is the least common denominator of 1/7 and 3/6?

• 14

• 21

• 7

• 42

What would be the common denominator for adding 1/2 + 3/4?

• 6

• 4

• 9

• 2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Is this a correct answer?

• Yes, the student correctly added.

• No, you cannot add unlike denominators

• No, 5 + 7 is not 12

• No, 2 + 3 is not 5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What would be the common denominator for adding 3/9 + 4/6?

• 9

• 12

• 18

• 27

Fractions with different denominators are called _______ fractions .

• Like

• Mixed

• Unlike

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What is the first step in solving this problem? 
⅘ + ½ =

• Add the top parts of the fraction

• Rewrite the fractions in the simplest form. 

• Find a common denominator. 

• Make each fraction into an improper faction. 

Tags

CCSS.7.NS.A.1C

To add or subtract, two fractions must have...

• a monkey.

• unlike terms.

• common denominators.

• the same numerators.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

The ____________________ is a common multiple of two or more denominators.

• equivalent

• simplest fraction

• common denominator

• mixed number