Operations on Fractions

When multiplying or dividing a NEGATIVE and NEGATIVE number your result will be...

• POSITIVE
• NEGATIVE
• DEPENDS ON WHICH NUMBER IS LARGER.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

8/21 + (-5/21) =

• 13/21
• -3/21
• -13/21
• 3/21

Tags

CCSS.7.NS.A.1C

Find the sum.  Be sure to simplify.
-⅘ + ⅕

• -1
• -⅗
• ⅗
• 5/5

Tags

CCSS.7.NS.A.1C

8/21 + (-10/21)

• 2/21
• -2/21
• 18/21
• 10/21

Tags

CCSS.7.NS.A.1C

3/10 + 4/5

• 7/5
• 1/5
• 11/10
• 7/10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Find the sum.  Be sure to simplify.
3 + (-5/7)

• 3 5/7
• -3 5/7
• -2 2/7
• 2 2/7

Tags

CCSS.7.NS.A.1C

7/8 - (-2/5)

• 9/40
• 51/40
• 5/40
• 5/3

Tags

CCSS.7.NS.A.1C

-3/8 - 1/2

• -7/8
• 1/8
• -4/8
• -2/8

Tags

CCSS.7.NS.A.1C

Multiply.

• 27/40
• -27/40
• 5/6
• -5/6

Tags

CCSS.7.NS.A.2A

Multiply.

• 28/54
• -8/21
• -2  7/54
• -1

Tags

CCSS.7.NS.A.2A