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Comparing and Ordering Fractions - PowerPoint PPT Presentation

Comparing and Ordering Fractions. 5.1. Multiple. A product of that number and any nonzero whole number. To find LCM aka Least Common Multiple. Looooonnnnng Way: List out the multiples until you find one in common. Ex: 4,5. Efficient Way:

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Comparing and Ordering Fractions

5.1

A product of that number and any nonzero whole number

To find LCMaka Least Common Multiple

• Looooonnnnng Way:

List out the multiples until you find one in common.

Ex: 4,5

• Efficient Way:

Cake Method and multiply the numbers on the left and bottom

Ex: 9,15

• Compare the numerators.

• Example: Compare and Graph -4/9 and -2/9

• Find the LCD (Least common denominator) aka the LCM of the denominators

• Compare the numerators

Example: Compare 6/7 and 4/5

• Heart Method

• Example: Compare ¾ and 7/10

Example

Example

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