Lesson: Subtracting Proper Fractions: Denominators Are Multiples Mathematics

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In this lesson, we will learn how to subtract proper fractions whose denominators are multiples of the same number first by using models and then by writing equivalent fractions over the same denominator.

Lesson Plan

Students will be able to

understand that related fractions are fractions where the denominator of one is a multiple of the denominator of the other,
represent subtraction of related fractions using models,
subtract related unit fractions,
subtract related nonunit fractions.

Lesson Video

Lesson Playlist

01:34
01:45
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01:52

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