The DAV Class 5 Maths Book Solutions Pdf and DAV Class 5 Maths Chapter 4 Worksheet 12 Solutions of Fractional Numbers offer comprehensive answers to textbook questions.
DAV Class 5 Maths Ch 4 Worksheet 12 Solutions
Question 1.
Fill in the blanks.
(a) 
Solution:
(b) 
Solution:
(c) 
Solution:
(d) 
Solution:
(e) 
Solution:
Explanation: A fraction divided by one is fraction itself.
(f) 
Solution:
(g) 
Solution:
Explanation: Zero divided by any fraction is zero.
(h) 
Solution:
Explanation: Zero divided by any fraction is zero.
(i) 
Solution:
Explanation: A fraction divided by one is a fraction itself.
DAV Class 5 Maths Chapter 4 Worksheet 12 Notes
I. Division of a fractional number by 1.
A fraction divided by one is the fraction itself.
Example 1.
Find \(\frac{2}{7}\) ÷ 1
Solution:
\(\frac{2}{7}\) ÷ 1
= \(\frac{2}{7} \times \frac{1}{1}\) (Multiplying by reciprocal of one that is one itself)
= \(\frac{2}{7}\)
II. Division of 0 by a fractional number.
Zero divided by any fraction is zero.
Example 2.
Find is 0 ÷ \(\frac{2}{3}\)
Solution:
0 ÷ \(\frac{2}{3}\)
= 0 × \(\frac{3}{2}\) (Multiplying by the reciprocal of \(\frac{2}{3}\))
= 0
III. Division of a fractional number by itself.
A fraction divided by itself is one.
Example 3.
Find \(\frac{3}{7} \div \frac{3}{7}\)
Solution:
\(\frac{3}{7} \div \frac{3}{7}\)
= \(\frac{3}{7}\) × \(\frac{7}{3}\) (Multiplying by reciprocal of \(\frac{3}{7}\))
= 1