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No, some numbers, eg sqrt 2, are irrational, which means they cannot be written as a ratio between two whole numbers. Some numbers are also transcendental, but you don't want to go there!

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Q: Can every number be written as a fraction?
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Can a number that is represented by a fraction be a rational number?

Definitely. A rational number is a number that can be written as a ratio. Every fraction is a ratio. Therefore every fraction represents a rational number.


Can every rational number be written as a fraction?

Yes


Why can every number be written as a fraction?

Every rational number, which includes integers, can be written as a fraction, with 1 in the denominator [bottom], or you could multiply the number by 2, and have this as the numerator [top], then have 2 in the denominator [bottom]. But when you say every number, the irrational numbers [such as pi, e, square root of 2, etc.]can not be written as a fraction.


Is every rational number can be written as a fraction true or false?

True


Is every prime number a rational number?

Yes. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.


Does every whole number is a rational number?

Yes. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.


Is every whole number a rational number and why?

Yes. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.


Every irrational number is a rational number?

NO. a number can only be one. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.


Why can every rational number be written as a fraction?

A rational number is defined as a number that can be expressed as a ratio of two integers. A ratio of two integers is also known as a fraction.


Every real number is a rational number?

No, not all real numbers. Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction.


Fraction is a rational numbers but not every rational number is a fraction?

Every rational number can be expressed as a fraction. It's what rational means- a number that can be expressed as a ratio (fraction) of integers.


A rational number is a number that can be written as?

it can be written as a fraction