Class 7 Exam > Class 7 Videos > Addition of Rational Numbers (Part- 1)
Addition of Rational Numbers (Part- 1) Video Lecture - Class 7
FAQs on Addition of Rational Numbers (Part- 1) Video Lecture - Class 7
| 1. What are rational numbers? |  |
Ans. Rational numbers are numbers that can be expressed as a fraction or ratio of two integers. They can be positive or negative and include whole numbers, integers, and fractions.
| 2. How do you add rational numbers? | |
Ans. To add rational numbers, you need to make sure the denominators of the fractions are the same. Then, you can simply add the numerators and keep the common denominator. Finally, simplify the fraction if possible.
| 3. Can rational numbers be negative? | |
Ans. Yes, rational numbers can be negative. They can be represented as negative fractions or negative integers. For example, -1/2 or -3.
| 4. Are all whole numbers rational numbers? | |
Ans. Yes, all whole numbers are rational numbers. Whole numbers can be expressed as fractions with a denominator of 1, such as 3/1 or -5/1.
| 5. What is the difference between a rational number and an irrational number? | |
Ans. The main difference between rational numbers and irrational numbers is that rational numbers can be expressed as fractions or ratios of two integers, while irrational numbers cannot be expressed as fractions and have non-repeating, non-terminating decimal expansions. Examples of irrational numbers include √2 and π.
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Dec 23, 2024 Last updated |
Addition of Rational Numbers (Part- 1) for Class 72024 is part of Class 7 preparation. The notes and questions for Addition of Rational Numbers (Part- 1)
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