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Any number that you can completely write down using digits is rational.
Let's try to write 2.51 completely with digits:
2.51That's it! We're pretty sure that 2.51 is rational.The official math definition of a rational number is: A number that can be written
as a fraction made of whole numbers. Let's try and write 2.51 as a fraction
made of whole numbers:
251/100We did it again! 2.51 is definitely rational.
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Earn +20 ptsQ: Is 2.51 rational
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Continue Learning about Basic Math
What is 0.502 in fraction?
0.502 is already a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. Its equivalent, in rational form, is 251/500.
What are the factors for 251?
1 and 251
How do you write 148 over 251 as a fraction?
148 over 251 = 148/251. It cannot be reduced any further since the greatest common factor of 148 and 251 is 1.
Is 4.6 irrational or rational?
4.6 is rational.
Is 0.682 a rational or irrational?
No, it is rational.
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