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Monday, September 22, 2014

Dividing Fractions

Reciprocal


To get the reciprocal of a number, just divide 1 by the number

Example: the reciprocal of 2 is 1/2 (half)

Every number has a reciprocal except 0 (1/0 is undefined)

If you multiply a number by its reciprocal you get 1

Example: 3 times 1/3 equals 1

Also called the "Multiplicative Inverse"
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Dividing Fractions 
  • To divide a number by a fraction, multiply the number by the reciprocal of the fraction.

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