Page 87 - ICSE Math 6

2
11. Raghu covered 14 km to complete of his journey. How much distance is still left to be covered?
3
1 3 2
12. A man spends of his salary on rent, on food and on insurance. If his monthly salary is
5 10 9
` 27,000, then how much does he save?

AT A GLANCE

¾ A fraction represents part of a whole.
¾ A fraction in which the numerator is less than its denominator is known as a proper fraction.
¾ A fraction in which the numerator is greater than or equal to the denominator is known as an
improper fraction.
¾ A mixed fraction consists of a whole number and a proper fraction.
¾ Fractions representing the same value are known as equivalent fractions.
¾ Fractions with the same denominator are known as like fractions and with different denominators
are known as unlike fractions.
¾ A fraction is in its simplest or reduced form if its numerator and denominator has 1 as the only
common factor.
b {Whole part (a) × Denominator (c)} + Numerator (b)
¾ Mixed fraction a = Denominator (c)
c
¾ In like fractions, the fraction with the greatest numerator is the largest.
¾ Given two fraction with the same numerator, the fraction with greater denominator is the smaller
one.
¾ BODMAS stands for: Bracket Of Division Multiplication Addition Subtraction

MENTAL MATHS

1. Choose the correct option.

(a) Which of the following is a proper fraction?
1 9 15 2
(i) 2 (ii) (iii) (iv)
3 7 2 5
2
(b) Which of the following is equivalent to ?
4 2 3 4 10
(i) (ii) (iii) (iv)
3 6 6 3
(c) Which of the following is a pair of like fractions?
22 5 2 1 2 2 1
,
,
,
(i) 3 5 (ii) 99 (iii) 23 (iv) 1 ,1 2
3
2. Write True or False.
(a) A fraction in which the numerator is less than the denominator is known as an improper
fraction.
(b) Any mixed fraction can be converted into an improper fraction.

(c) A fraction has only one equivalent form.
2 2
(d) and form a pair of like fractions.
3 6

71