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Rational Numbers - 1 Video Lecture | Crash Course for UAE Grade 8

FAQs on Rational Numbers - 1 Video Lecture - Crash Course for UAE Grade 8

1. What are rational numbers?

Ans. Rational numbers are numbers that can be expressed as a ratio of two integers, where the denominator is not zero. They can be written in the form of p/q, where p and q are integers and q is not equal to zero.

2. How are rational numbers different from irrational numbers?

Ans. Rational numbers can be expressed as fractions or decimals that terminate or repeat, whereas irrational numbers cannot be expressed as fractions or decimals that terminate or repeat. Irrational numbers are non-recurring and non-terminating.

3. Can all fractions be considered as rational numbers?

Ans. Yes, all fractions can be considered as rational numbers. A fraction represents the quotient of two integers, and rational numbers are defined as the ratio of two integers. Therefore, any fraction can be expressed as a rational number.

4. Are all whole numbers rational numbers?

Ans. Yes, all whole numbers can be considered as rational numbers. Whole numbers are a subset of integers, and integers are a subset of rational numbers. Since whole numbers can be expressed as fractions with the denominator being 1, they can be considered as rational numbers.

5. Can irrational numbers be negative?

Ans. Yes, irrational numbers can be negative. The sign of an irrational number can be positive or negative, just like any other real number. The irrationality of a number is determined by its decimal representation, not its sign.

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Oct 17, 2025 Last updated

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