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# Who discovered rational numbers?

Updated: 4/28/2022 Wiki User

5y ago

They were known to the ancient civilisations. Irrational Numbers are supposed to have been discovered by Hippassus of Metapontum, a member of the Pythagorean school in ancient Greece (5th Century BC). Wiki User

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## hio

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5y ago

Rational numbers were known to the ancient Egyptians, as well as other ancient cultures.   Earn +20 pts
Q: Who discovered rational numbers?
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Still have questions?  Related questions

### Who is kunjan m shah?

He discovered rational numbers

### If a is rational and b is rational is a to the b power is rational?

No. For example, 20.5 is irrational; indeed it was one of the first irrational numbers to be discovered.

### How did rational numbers develop?

They developed when people discovered the need to divide things into equal parts.

### How many rational numbers are there between two consecutive rational numbers?

There are no consecutive rational numbers. Between any two rational numbers there are an infinity of rational numbers.

### Who invented the irrational number set?

Probably the ancient Egyptians who discovered that the diagonal of a unit square was not a rational number. And then discovered other such numbers.

### Is 3.9 rational or irrational?

If there are no numbers after the 9 it is rational

### Are some rational numbers are not real numbers?

No. Rational numbers are numbers that can be written as a fraction. All rational numbers are real.

### Are rational numbers whole numbers?

The set of rational numbers includes all whole numbers, so SOME rational numbers will also be whole number. But not all rational numbers are whole numbers. So, as a rule, no, rational numbers are not whole numbers.

### Is the difference of rational numbers a rational number?

Rational numbers are numbers that can be written as a fraction. Irrational numbers cannot be expressed as a fraction. All natural numbers are rational.

### Is 6.6 irrational or rational?

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

### Are natural numbers the same of rational numbers?

The set of rational numbers includes the set of natural numbers but they are not the same. All natural numbers are rational, not all rational numbers are natural.

### Are all rational numbers whole numbers?

All rational numbers are not whole numbers, as rational numbers can include fractions.