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Summer Skills worksheets - All Saints

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SKILL<br />

23<br />

Name Date Period<br />

Comparing and Ordering<br />

Fractions<br />

One way to compare fractions is to express them as fractions with the<br />

same denominator. The least common denominator (LCD) is the least<br />

common multiple of the denominators.<br />

Example Replace the with , ,or to make a true sentence.<br />

5 8 <br />

3 2 <br />

The LCM of 8 and 3 is 24. Express 5 8 and 2 3<br />

as fractions<br />

with a denominator of 24.<br />

83 8<br />

2 16<br />

5 8 1 2 5 4 2 3 2 16 <br />

4<br />

83 8<br />

1 2 5 4 1 2 6 <br />

4<br />

Compare the numerators. Since 15 16,<br />

1 2 5 4 1 2 6 4 . Therefore, 5 8 2 3 .<br />

Find the LCD for each pair of fractions.<br />

1. 2 5 , 1 3 2. 3 4 , 5 6 3. 1 2 , 4 7 <br />

4. 4 5 , 2 3 5. 5 8 7<br />

, <br />

1 2<br />

6. 1 2 , 6 7 <br />

7. 1 6 9<br />

, 1<br />

8. 3 0<br />

4 , 2 9 5<br />

9. 1<br />

3<br />

, <br />

2 1 6<br />

Replace each<br />

with , , or to make a true sentence.<br />

10. 3 4 4 5 11. 3 8 2 9 4 12. 2 3 1 9 5 <br />

13. 1<br />

7<br />

2<br />

2 3 14. 1 5 1 1 3 15. 2 3 7 6 4 3 <br />

© Glencoe/McGraw-Hill 45 Algebra

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