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What is a rational number?

-Linlee Y.

Oct 7, 2014

#1
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A rational number is a number that can be put into the form  a/b  where  a  and  b  are integers and b ≠ 0.

Every common fraction is a rational number. Every mixed fration is a rational number.

Decimals that terminate (such as 12.375) or repeat (such as -2.34343434...) are rational numbers.

12.375  =  12 3/8  =  99/8.                -2.3434...  =  -2 34/99  =  -232/99

Decimals that neither terminate nor repeat, such as √2 and π are not rational.

Oct 7, 2014

#1
+17747
+10

A rational number is a number that can be put into the form  a/b  where  a  and  b  are integers and b ≠ 0.

Every common fraction is a rational number. Every mixed fration is a rational number.

Decimals that terminate (such as 12.375) or repeat (such as -2.34343434...) are rational numbers.

12.375  =  12 3/8  =  99/8.                -2.3434...  =  -2 34/99  =  -232/99

Decimals that neither terminate nor repeat, such as √2 and π are not rational.

geno3141 Oct 7, 2014
#2
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Thank you! This answered my question completely!

Oct 7, 2014
#3
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