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When you have your two fractions you multiply the denominators to get the common denominator. So you would do 3x5=15, 15 is the common denominator. Now you cross multiply. you do 3x2=6 then 5x1=5. Now you have 5 fifteenths and 6 fifteenths. 5 fifteenths belongs to 1 third and 6 fifteenths belongs to 2 fifths. So now you can see that 2 FIFTHS is BIGGER than 1 third.

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Or you could just convert the fractions into decimal form

and see which one is bigger.

1/3 = 0.3333

2/5 = 0.4 <=== This one is bigger than 0.3333.

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Wiki User

7y ago
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Wiki User

7y ago

1/3 is smaller than 2/5. The easiest way to demonstrate this fact is to convert the fractions to those with common denominators. 1/3 = 5/15, and 2/5 = 6/15, so 2/5 is greater than 1/3.

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Wiki User

10y ago

No.

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Anonymous

Lvl 1
3y ago

Two fifths

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Q: Is one third bigger than two fifths?
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