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Q: Is the fraction 4 9 rational?

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3.1 repeating, as a rational fraction is 28/9.

0.555555555555556 is 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 0.555555555555556/1000000000000000. You can simplify this rational fraction if you require.

Yes it is a rational number because it can be expressed as 10/9 as an improper fraction

Yes - any proper fraction x/y is a rational number. Expressed as a decimal, this is equal to 0.4 recurring (that is, 0.44444...)

-0.04 is 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 -4/100. You can simplify this rational fraction if you require.

Related questions

Any number that can be written as a fraction is rational -- therefore, 4/9 squared is rational (it can still be written as a fraction even if you multiply it by itself).

2.25 is 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 225/100. You can simplify this rational fraction if you require.

9/7 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.

-1/9 is rational because it can be expressed as a fraction (ratio).

0.444444444 is 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 444444444/1000000000. You can simplify this rational fraction if you so wish.

81 is rational. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.

3/4 is a rational number because it can be written as a fraction. Even a big, clunky fraction like 7,324,908/56,003,492 is rational, simply because it can be written as a fraction.

If there are no numbers after the 9 it is rational

No. sqrt(4/9) = 2/3 is rational. sqrt(0.64) = 0.8 = 4/5 is rational.

The square of the fraction 4/9 is a rational number, either + 2/3 or -2/3

It is equivalent to 8/18 or 12/27. It cannot be simplified into a rational #

3.1 repeating, as a rational fraction is 28/9.

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