Rational Numbers Video Lecture | Mathematics & Pedagogy Paper 2 for CTET & TET Exams - CTET & State TET

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FAQs on Rational Numbers Video Lecture - Mathematics & Pedagogy Paper 2 for CTET & TET Exams - CTET & State TET

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 a/b, where a and b are integers and b is not equal to zero.
2. How can rational numbers be represented on a number line?
Ans. Rational numbers can be represented on a number line by plotting a point at the corresponding location. Each rational number corresponds to a unique point on the number line, allowing for easy visualization and comparison.
3. Can all integers be considered rational numbers?
Ans. Yes, all integers can be considered rational numbers. Integers can be written in the form a/1, where a is an integer. Since integers can be expressed as a ratio of two integers, they are considered rational numbers.
4. Are rational numbers closed under addition and multiplication?
Ans. Yes, rational numbers are closed under addition and multiplication. When two rational numbers are added or multiplied, the result is also a rational number. This property makes rational numbers convenient for mathematical operations.
5. How can rational numbers be simplified or reduced to their simplest form?
Ans. Rational numbers can be simplified to their simplest form by dividing both the numerator and denominator by their greatest common divisor. This process results in a fraction that cannot be reduced any further, ensuring that the ratio is in its simplest form.
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