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Operations and Properties of Rational Numbers

The acquaintance of rational numbers with primary school understudies causes what is going on in which understudies should utilise earlier information about natural numbers and rational number definition.

Rational Number Definition 

In Mathematics, Rational numbers definition is that  numbers that can be communicated as the remainder P ⁄ q of two numbers, like q ≠ 0. Notwithstanding all divisions, the arrangement of rational numbers contains all numbers, every one of which can be composed as: A remainder which has numerator as the numerator and the denominator as 1. Here you will learn about the operations of rational numbers and is 0 a rational number and properties of rational numbers that will help you to clear the concept of rational number.

Operations of rational numbers 

Operations on every rational number are completed similarly as the math operations like expansion, deduction, duplication, and division on whole numbers and parts. Number-operations on rational numbers with similar denominators are not difficult to compute yet on account of rational numbers with various denominators, we need to  make the denominators  equivalent. Every Rational numbers are communicated as portions, yet we don’t call them divisions as parts incorporate just certain numbers, while rational numbers incorporate both positive and negative numbers. Divisions are a piece of rational numbers, while rational numbers are a general classification that incorporates different kinds of numbers.

Operations on rational numbers talk over with the mathematical operations winding up on 2 or additional rational numbers. A variety|real number|real} could be a number that’s of the shape p/q, where: p and letter are integers, q ≠ 0. Some samples of rational numbers are: 1/2, −3/4, 0.3 (or) three/10, −0.7 (or) −7/10, etc.

Properties of Rational Numbers

The significant properties of rational numbers are:

  • Property of Closure 
  • Property of Commutativity
  • Property of Associative 
  • Property of Distributive 

Property of Closure 

 1) Rational Numbers addition

 Closure means that for any two rational numbers, a and b, a + b is also a rational number. The result is a rational number. Therefore, we say that rational numbers are closed under the extension. 

 2) Rational Numbers Subtraction 

 Closure means that for any two rational numbers, a and b, and ab is also a rational number. The result is a rational number. Therefore, every rational is closed by subtraction. 

 3 )Rational Numbers Multiplication

 Closure means that for any two rational numbers, a and b, a × b is also a rational number. 

 The result is a rational number. Therefore, rational numbers are closed under extension. 

 4)Rational Numbers Division

 Closure means that for any two rational numbers, an and b, a ÷ b is also a rational number. The result is a rational number. Yet, we realise that any rational number a, a ÷ 0 is not characterised. So rational numbers are not shut under division. However, if we prohibit 0, every rational number is shut under division. 

Property of  Commutative 

  1. Expansion 

 For any two rational numbers a and b,  b+ a = a + b

 We see that the two rational numbers can be included in any request. So expansion is commutative for rational numbers. 

  1. Deduction 

 For any two rational numbers, an and b, b a ≠ a b So deduction isn’t commutative for rational numbers. 

  1. Augmentation 

 For any two rational numbers, a and b, there is b × a. = a × b 

 You can see that the two rational numbers can be duplicated in any query. Therefore, the extension is commutative for rational numbers. 

  1. Division 

 For any two rational numbers, a and b, b ÷ a ≠ a ÷ b. You can see that the articulations on both sides are not equivalent. Therefore, the division of rational numbers is not commutative. 

 Property of  Associativity

 Take any three rational numbers b,c, a. Immediately add an and b, then add c to the sum. (A + b) + c. Add b and c again, then add a + (b + c) to the sum. Are(b + c) + c and a + (a + b)the same? Indeed, that is the mechanism of associative ownership. It shows that you can add or increase numbers without paying attention to how they are collected. 

Distributive law 

 The distributive law states that for any three numbers e,f  and g, there are 

 e × (f+ g) = (e × f) + (e × g).

Conclusion 

Rational numbers have received a great deal of research attention since 2010, so the focus on them in the research field is still vast. More surprising was the emphasis on topics beyond rational numbers. In this article, we will learn about some rational numbers definitions and operations and look into various properties of rational numbers. We have included some very important FAQs to better clarify the fundamental concepts.

faq

Frequently Asked Questions

Get answers to the most common queries related to the Bank Examination Preparation.

Is 8.16 a rational number?

Answer :  8.16 can be written as a fraction of two integers: 81...Read full

Every rational number definition is ______.?

Answer : Every rational number definition is a real number....Read full

Is 0 a Rational Number?

Answer : In a rational expression, you can’t separate anything. ...Read full

Is root eight a rational number?

Answer : We know that when we increase an irrational number with a rati...Read full