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4.5 Goal: Comparing and Ordering FractionsPowerPoint Presentation

4.5 Goal: Comparing and Ordering Fractions

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4.5 Goal: Comparing and Ordering Fractions

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- Something to think about?
- Julie and Seth are kayaking down a river. Julie kayaks a distance of 7/10 mile, and Seth kayaks 3/4 of a mile. Who kayaked the greater distance?

The LEAST COMMON DENOMINATOR (LCD) of two or more fractions is the least common multiple of the denominators.

When comparing two or fractions:

- Find the LCD of the fractions
- Use the LCD to write equivalent fractions.
- Compare the numerators.

- To find who kayaked the greater distance we just talked about you need to compare 7/10 and 3/4

- Order the fractions 2/3, 3/8, 1/6, and 3/4 from least to greatest.

- Copy and complete the statement using <> or =.
- 5/8 __ 7/12
- 5/6__ 9/10
- 3/14__1/4

- Use approximation to tell which fraction is greater, 13/24 or 15/34.