fractions adding, subtraction, reducing and simplifying

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

• 3
• 4
• 24
• 12

Tags

CCSS.4.NF.A.2

9/36

• SF
• 3/12
• 1/4
• 3/4

Tags

CCSS.4.NF.A.1

CCSS.4.NF.A.2

simplify   6/9

• 2/3
• 2/4
• 3/3
• 2

Tags

CCSS.4.NF.A.1

simplify    15/20

• 5/10
• 3/4
• 2/3
• 1/5

Tags

CCSS.4.NF.A.1

Simplify  4/16  to lowest terms.

• 4/16
• 2/8
• 1/4
• 4

Tags

CCSS.4.NF.A.1

Put in Simplest Form: 30/40

• 3/4
• 15/20
• 3/40
• 30/40

Tags

CCSS.4.NF.A.1

• <
• >
• =

Tags

CCSS.3.NF.A.3D

• <
• >
• =

Tags

CCSS.3.NF.A.3D

7/9  x  1/2  =

• 7/18
• 14/9
• 8/11
• 1  5/9

Tags

CCSS.5.NF.B.6