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DIVISION OF FRACTIONS; RATIOS; LISTING OUTCOMES

In division of fractions, sometimes the answer is larger than part of the division problem.  We will see how that can happen.  To divide fractions, we find the reciprocal of the second fraction then multiply.  More simply stated, to divide fractions we multiply by the inverse.

A ratio is a comparison of two quantities.  Ratios can be written several ways.  A ratio of 7 to 6 may be written 7:6 or could be written 7/6.  The word ratio is pronounced “rash – e – o” with a “long a” in “rash”.  We will look at a colorful picture to help us write ratios.

Did you ever have a hard time choosing which outfit you were going to wear?  You may have had three shirts, two pairs of pants, and three pairs of shoes from which to choose.  In this particular case you would have 18 different outfits that you could put together.  No wonder it is such a difficult choice!

Introduction to Division of Fractions A child's bracelet is 4 inches long.  Each of the links is ½ inch long.  How many links are in the chain?   Draw a picture to solve.

Below are additional educational resources and activities for this unit.

Unit 13 Dividing Fractions and Whole Numbers Worksheet

Unit 13 Dividing Fractions Worksheet

Unit 13 Find the Ratios Worksheet

Unit 13 Equivalent Ratios Worksheet