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Division of whole by a fraction

Teaching Transcript

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Let's divide 3 by two fifths

Remember that dividing by a fraction is the same as multiplying by its inverse

So we would have 3 times 5, over 2

Which would be 15 over 2

But we can simplify that to 7, and a half

This math skill teaches how to divide a whole number by a fraction by multiplying the whole number by the reciprocal of the fraction. The result can be expressed in mixed number form if necessary.

Skill Practice

Division of a whole number by a fraction

Test your understanding of division of whole by a fraction by practicing it! Work through the below exercises to use it in practice.