Adding and subtracting like fractions (including signs)

A piece of garland on a Christmas tree measures 6/12 of a foot. Another piece measures 4/12 of a foot. How much longer is the first piece than the second?

• 10/12 ft.

• 2/12 ft

• 10/24 ft.

• 3/10 ft.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.3

• 4/5
• 4/10
• 2/5
• 5

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

(-2/3) - 1/3 =

• -3/3 or -1

• 3/3 or 1

• 1/3

• -1/3

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

4/6 - 1/6 = ?

• 5/6

• 1/12

• 3/6

• 5/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

How do you add or subtract fractions with like denominators?

• Add the denominators; keep the numerators the same

• Add or subtract the numerators and add or subtract the denominators

• Add or subtract the numerators to the denominators

• Add or subtract the numerators and keep the like denominators

What is ¹⁵/₁₆ - ¹²/₁₆?

• ¹/₃
• ⁴/₁₆ or ¹/₄
• ³/₁₆
• ²/₁₆ or ¹/₈

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Kayla has 3/9 of a pizza and Lille gave her 2/9 of a pizza. How much pizza does Kayla have now?

• 5

• 5/9

• 1/9

• 6/9

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Find the sum.

-⅘ + ⅕

• -1

• -⅗

• ⅗

• 5/5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

(-2/5) + (-3/5) =

• 5/5 or 1

• -5/5 or -1

• -1/5

• 1/5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

- 3/10 - (-2/10)

• 1/10

• -1/10

• -17/10

• -1 5/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2