Exercise 2 (B), Composite Mathematics class 7th by S.K. Gupta and Anubhuti Gangal

 Hello Everyone welcome to UTUG Education. We will see the solution of Composite Mathematics class 7^th by S.K. Gupta and Anubhuti Gangal of S.Chand School Publication.

         This is your Chapter – 2 , Integers of the book this is the part of Number system unit which is your 1^st unit of the book.

Key Facts:- 

• Number of the form a/b where b≠0 are called fractions. a is called the numerator and b the denominator.
• A fraction a/b in which b≠0 and a<b (eg. 4/9) is called a Proper Fraction.
• A fraction a/b in which b≠0 and a=b or  a>b (eg. 10/3) is called an Improper Fraction.
• A fraction (5 3/7 = 5+ 3/7) which can be expressed as the sum of a natural number and a fraction is called a Mixed Fraction.
• A fraction whose denominator is multiple of 10 is called a Decimal Fraction.
• Fraction having denominator as whole number other than a power of 10, i.e., 10, 100, 1000, etc. are called Vulgar fraction. 
• The sequence of operations followed while simplifying a numerical expression is 

BODMAS

(i) Bracket   (ii) Of    (iii) Division (iv) Multiplication (v) Addition (vi) Subtraction

 

  EXERCISE 2 ( B )

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