Description: Dividing a whole number by a fraction? Turn the tables and multiply by the reciprocal of the fraction. Boom! Created by Sal Khan and Monterey Institute for Technology and Education. A baby's T-shirt requires 4/5 yards of fabric, or 4/5 of a yard of fabric. Because each of those groups can make one to baby's T-shirt. Now, when we divide by a fraction, we just have to remember that that is the same thing, that is completely equivalent to multiplying times the reciprocal of the fraction.
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