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

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Presentation transcript:

Adding & Subtracting Rational Numbers

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

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

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

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

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

(_ 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

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

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

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

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