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Seema Kumari
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Posted 3 year ago
Seema Kumari 
How do you know a number is rational?
2 Answer(s)
SANDY
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Posted 3 year ago SANDY

A rational number is a number that can be written as a ratio. That means it can be written as a fraction, in which both the numerator (the number on top) and the denominator (the number on the bottom) are whole numbers.
Rahila Ahmed
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Posted 3 year ago Rahila Ahmed

When a number is expressed in a p/q form or in fraction form where both the numerator and the denominator part are integers, then the number is known as a rational number. The number “0” is also a rational number, as we can represent it in many forms such as 0/1, 0/2, 0/3, etc. But, 1/0, 2/0, 3/0, etc