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Adding & Subtracting Rational Numbers. Decimals Align The Decimal Points Now follow your adding rules: Same sign, ADD.

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Presentation on theme: "Adding & Subtracting Rational Numbers. Decimals Align The Decimal Points Now follow your adding rules: Same sign, ADD."— Presentation transcript:

1 Adding & Subtracting Rational Numbers

2 Decimals Align The Decimal Points Now follow your adding rules: Same sign, ADD

3 Decimals Align The Decimal Points Now follow your adding rules: Same sign, ADD

4 Don’t forget to align the decimal points 1 st “FIX” your double signs. 2 nd Group all positives together and all negatives together. Same signs Here - ADD Same Signs ADD

5 Don’t Forget To Align The Decimal Points 1 st “FIX” your double signs. 2 nd Group all positives together and all negatives together. Same signs Here - ADD Same Signs ADD

6 Each Fraction must be inside a set of parentheses. u Use neg Not subtraction

7 (_ nghknbz3 / 5 ) + (_1/2) ?+ (3/8) EERJKDmee Each Fraction must be inside a set of parentheses. u Use neg Not subtraction u Use neg Not subtraction

8 (_5/9) - (_3/5) RJKDmee Each Fraction must be inside a set of parentheses. u Use neg Not subtraction

9 (_1/2) - (_6/7) RJKDmee Each Fraction must be inside a set of parentheses. u Use neg Not subtraction

10 Change each mixed number to an Improper Fraction! Multi Add Multi Add (_17/4) + (19/3) mee

11 Change each mixed number to an Improper Fraction! Multi Add Multi Add (8/3) + (_15/4) mee


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