Here is another helpful video from the Khan Academy. In this video Sal Khan clearly explains how to divide fractions when whole or mixed numbers are involved.
Dividing Mixed Numbers and Fractions is a free educational video by Khan Academy.It helps students in grades 5 practice the following standards 5.NF.7,5.NF.7.a,6.NS.1.
1. 5.NF.7 : Apply and extend previous understandings of division to divide unit fractions by whole numbers and whole numbers by unit fractions. (Students able to multiply fractions in general can develop strategies to divide fractions in general, by reasoning about the relationship between multiplication and division. But division of a fraction by a fraction is not a requirement at this grade.).
2. 5.NF.7.a : Interpret division of a unit fraction by a non-zero whole number, and compute such quotients. For example, create a story context for (1/3) .
3. 6.NS.1 : Interpret and compute quotients of fractions, and solve word problems involving division of fractions by fractions, e.g., by using visual fraction models and equations to represent the problem. For example, create a story context for (2/3) .
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