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Class 7

MATHS

RATIONAL NUMBERS

Updated On: 28-5-2021

Answer

Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams.

Transcript

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00:00 - 00:59 | which of the following need to fill in the blanks to make the statement true for statement is a number which can be expressed in form of p q where p and q are integers and q is not equal to zero then it is called so let us suppose here we have to fill a and the second one we have to fill be another don't have to fill seat right so for a number which can be expressed in form of p by Q right where p and q are integers between is not equal to zero is a part is rational number because this is the definition of rational number that it is expressed in p by Q form where p and q are integers and q is not equal to zero second statement is if the integers P and Q have no common divisor other than one and q is positive then the rational number P by Q be said to be in the here we have been asked that if |

01:00 - 01:59 | integers P and Q have no common divisor and one if then the rational number P and Q is said to be in the path will be in standard form because in standard form a rational number is written in p by Q form where Q is positive and there is no common divisor than one the sea part is two rational numbers are said to be equal if they have same simplest form now simplest form is the form where see if we have a rational number se One by Two so simplest form says that if we multiply this rational number by any non zero number se 3 unlimited unlimited both by three so we get a rational number that is 3.6 which is equal to 1 by 2 because if we cancel out this by this becomes 1 by 2 1 by 2 can be considered as the simplest form Sciences simplest form |

Introduction

Rational number a number of the form

Every natural number is a rational number but a rational number need not be a natural number

Zero is a rational number.

Every integer is a rational number but a rational number need not be an integer

Every fraction is a rational number but a rational number need not be a fraction.

numerator and denominator If

Positive rational number is said to be positive if its numerator and denominator are either both positive integers or both negative integers.

Negative rational number a rational number is said to be negative if its numerator and denominator are such that one of them is positive integer and another one is a negative integer.

Property 1 if

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