Adding and Subtracting Rational Numbers

-2.61 + (-6.88)

• 9.49

• -9.49

• 4.27

• -4.27

Tags

CCSS.7.NS.A.1C

-4.7 + 18.5

• 23.2

• 13.8

• -13.8

• -23.2

Tags

CCSS.7.NS.A.1C

42.87 - 3.09 - 13.5 =

• 27.32

• 26.28

• 27.28

• 26.48

Tags

CCSS.6.NS.B.3

-5 1/4 + 3 2/5 =

• -1 17/20

• 1 17/20

• -2 1/4

• -2

Tags

CCSS.7.NS.A.1C

Find the difference.  Be sure to simplify.
-1⅔ - (-1 ⅘)

• -2/15

• 2/15

• -3 7/15

• 2 2/15

Tags

CCSS.7.NS.A.1C

2 ⁶/₉ + (- 5 ¹/₄)

• 7 ¹¹/₁₂

• -7 ¹¹/₁₂

• 2 ⁷/₁₂

• -2 ⁷/₁₂

Tags

CCSS.7.NS.A.1C

-40 + 15.05

• 55.05

• 24.95

• -24.95

• 14.65

Tags

CCSS.7.NS.A.1C

• A.
• B.
• C.
• D.

Tags

CCSS.HSA.APR.D.7

When adding and subtracting rational expressions, my first step should be to:

• Combine like terms in the numerators.

• Determine a Least Common Denominator.

• Factor all of the numerators and all of the denominators.

• Change the operator to multiplication and reciprocate the second fraction.

Tags

CCSS.HSA.APR.D.7

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Tags

CCSS.HSA.APR.D.7