Fraction Test GCF Add Subtract

How can you make this right? ¹/₃ + ³/₄ = ⁴/₇

• You need to get the GCF of all the numbers before you add.

• There is nothing wrong. Fractions were added correctly.

• You cannot add the numerator 1 and 3 because they are prime numbers. You need to just subtract them.

• You cannot add denominators 3 and 4. You need to get the LCD to make them similar fractions

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Convert this mixed number to an improper fraction.

• 31/10

• 13/10

• 10/3

• 14/10

Look at this mixed number. Can the fraction part be reduced?

• Yes

• No

Tags

CCSS.3.NF.A.3C

Convert this mixed number to an improper fraction.

• 24/5

• 14/5

• 13/5

• 11/5

What is the sum of these fractions in lowest terms?

• 5/12

• 5/24

• 6/12

• 6/144

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the sum of these fractions in lowest terms?

• 4/5

• 3/20

• 17/20

• 4/20

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the sum of these fractions in lowest terms?

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the sum of these fractions in lowest terms?

• 22/5

• 6/3

• 22/15

• 6/15

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

True or false: to add or subtract fractions, first we must make the numerators the same

• True

• False

Tags

CCSS.7.NS.A.1C

True or false: after adding or subtracting fractions, we should check to see if the answer can be reduced

• True

• False