5.NF.A.1

6b9cbaef-d7cc-11e8-824f-0242ac160002 6b9fcd8e-d7cc-11e8-824f-0242ac160002 6b9de6b2-d7cc-11e8-824f-0242ac160002 5.NF.A 5.NF.A.1

Add and subtract fractions with unlike denominators (including mixed numbers) by replacing given fractions with equivalent fractions in such a way as to produce an equivalent sum or difference of fractions with like denominators. <em>For example, 2/3 + 5/4 = 8/12 + 15/12 = 23/12. (In general, a/b + c/d = (ad + bc)/bd.)</em>

Propose a mapping

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