Rational numbers

Front

What is a rational number?

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A rational number is any number that can be expressed as the quotient or fraction p/q of two integers, where p is the numerator and q is the denominator (q ≠ 0).

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What is the multiplicative identity for rational numbers?

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The multiplicative identity for rational numbers is 1, because any rational number multiplied by 1 remains unchanged.

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What is the sum of two rational numbers?

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The sum of two rational numbers is also a rational number, obtained by finding a common denominator and adding the numerators.

Front

How do you find a rational number between two given rational numbers?

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To find a rational number between two given rational numbers, you can take the average of the two numbers or choose a fraction that lies between them.

Front

What is the decimal representation of the rational number 3/40?

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The decimal representation of the rational number 3/40 is 0.075.

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What is the process to add two rational numbers with different denominators?

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To add two rational numbers with different denominators, find a common denominator, convert each fraction, and then add the numerators.

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What is the significance of the number -1/3 in rational numbers?

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-1/3 is an example of a negative rational number, which represents a value less than zero.

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Can a rational number be a whole number?

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Yes, whole numbers are also rational numbers because they can be expressed as a fraction with a denominator of 1.

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What is the difference between a rational number and an irrational number?

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A rational number can be expressed as a fraction of two integers, while an irrational number cannot be expressed as a simple fraction and has a non-repeating, non-terminating decimal expansion.

Front

What is an example of a rational number between 3/5 and 4/5?

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An example of a rational number between 3/5 and 4/5 is 7/10.