Dividing Fractions Using word Problems

Absent Copy

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Example 1• A can of soup contains 3½ cups of soup. The

suggested serving size is ¼ cup. How many servings are in the can of soup?

3½ ÷ ¼ 7 • 4 2 1 7 • 4 = 28 2 • 1 2 14

Solution

• What operation do you think we will use in this problem?

• We will use Division to solve this problem.

• What do we do with the mixed #?

• Change it into a fraction.

• What do we do next?• Use KFC and re-write the

equation.

• What is our next step?• We multiply the fractions.

• Can we reduce the answer?

• YES14 servings of soup

Example 2• A flip flop manufacturer

uses of a yard of material for each flip flop. How many flip flops can be made from 8 yards of material?

8 ÷ 7 8 35 ÷ 7 4 8

35 · 8 = 264 4 7 28

280 28

2 · 2 · 2 · 7 · 5 2 · 2 · 7 2 · 2 · 2 · 7 · 5 2 · 2 · 7 10

Solution

• What operation do you think we will use in this problem?

• We will use Division to solve this problem.

• What do we do with the mixed #?

• Change it into a fraction.

• What do we do next?• Use KFC and re-write the

equation.

• What is our next step?• We multiply the fractions.

• Can we reduce the answer?

• YES by making a T-chart.

10 flip flops

8

7

4

3

4

3

Example 3

When you take the quotient of 3 ÷ why is the solution going to be greater than 3? The reason why your solution is greater is because you are trying to see how many little ¼ groupings can fit into 3 wholes. Of course you can fit more than three ¼’s into 3 wholes.

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