Add & Subtract Like Fractions

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Presentation transcript:

Add & Subtract Like Fractions Chapter 3, Lesson 2A Pages 139-143 Add & Subtract Like Fractions

Learning Objectives and Vocab. I can add and subtract fractions with like denominators. Standard: 7.NS.1, 7.NS.1b, 7.NS.1c, 7.NS.3, 7.EE.3 Vocabulary: Like fractions

Like Fractions Fractions that have the same denominator are called like fractions.

Examples

Integer Rules… Rule #1 – Get to one sign between integers(That sign goes with the second number.) If the signs are the same, pretend the signs aren’t there. Add the numbers and then put the sign of the addends in front of your answer. Rule #2 – Get to one sign between integers. If the signs are different pretend the signs aren’t there. Subtract the smaller from the larger one and put the sign of the one further from zero in front of your answer.

Examples

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Homework