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Grade 4 - Mathematics
8.13 Comparing Fractions

Method
  1. When the denominators are common we simply compare the numerators.
  2. When the denominators are different, we find Least Common denominator and then compare the numerators.
Example: 1/2___1/5
In the above problem the denominators are different.
Denominators are made common.
List out the multiples of 2 - 2,4, 6, 8,10.
List out the multiples of 5 - 5, 10, 15, 20.
Common multiple is 10 and hence the LCM.
Multiply and divide each fraction by the LCM
1/2 x 10/10 = 5/10
1/5 x 10/10 = 2/10
The denominators are made common.
Hence 1/2 = 5/10 and 1/5 = 2/10
Hence 1/2 is greater than 1/5
Answer: >


Directions: Compare the following fractions. Also write at least ten examples of your own.

Name: ___________________

Date:___________________

Grade 4 - Mathematics
8.13 Comparing Fractions

Q 1: Compare 1/2_1/3
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Q 2: Compare 1/2_1/8
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Q 3: Compare 3/4_3/8
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Q 4: Compare 4/5_3/4
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Q 5: Compare 3/6_1/2
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Q 6: 1/2____1/4
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Q 7: 1/2_____2/4
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Q 8: 1/3____1/5
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Question 10: This question is available to subscribers only!


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