Students can Download Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.3 Questions and Answers, Notes Pdf, KSEEB Solutions for Class 7 Maths helps you to revise the complete Karnataka State Board Syllabus and to clear all their doubts, score well in final exams.

## Karnataka State Syllabus Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.3

Question 1.

Find:

Solution:

(ii)

Solution:

(c) \(\frac{1}{7} \text { of } \frac{3}{10}\)

Solution:

Question 2.

Multiply and reduce to lowest form (if possible)

(i) \(\frac{2}{3} \times 2 \frac{2}{3}\)

Solution:

(ii) \(\frac{2}{7} \times \frac{7}{9}\)

Solution:

(iii) \(\frac{3}{8} \times \frac{6}{4}\)

Solution:

(iv) \(\frac{9}{5} \times \frac{3}{5}\)

Solution:

(v) \(\frac{1}{3} \times \frac{15}{8}\)

Solution:

(vi) \(\frac{11}{2} \times \frac{3}{10}\)

Solution:

(vii) \(\frac{4}{5} \times \frac{12}{7}\)

Solution:

Question 3.

Multiply the following fractions:

(i) \(\frac{2}{5} \times 5 \frac{1}{4}\)

Solution:

(ii) \(6 \frac{2}{5} \times \frac{7}{9}\)

Solution:

= \(4 \frac{44}{45}\)

(iii) \(\frac{3}{2} \times 5 \frac{1}{3}\)

Solution:

(iv) \(\frac{5}{6} \times 2 \frac{3}{7}\)

Solution:

(v) \(3 \frac{2}{5} \times \frac{4}{7}\)

Solution:

(vi) \(2 \frac{3}{5} \times 3\)

Solution:

(vii) \(3 \frac{4}{7} \times \frac{3}{5}\)

Solution:

Question 4.

Which is greater :

Solution:

To compare these fractions, we convert unlike fractions to like fractions having same denominator equal to the LCM of 14 and 8.

solution:

Question 5.

Sale plants 4 saplings in a row, in her garden. The distance between two adjacent saplings is \(\frac{3}{4}\)m. Find the distance between the first and the last sapling.

Solution:

Saili plants 4 saplings, in a row.

The distance between each sapling = \(\frac{3}{4}\) m

[Since the distance between first and second, second and third, third and fourth

Question 6.

Lipika reads a book for \(1 \frac{3}{4}\) everyday. She reads the entire book in 6 days. How many hours in all were required by her to read the book?

Solution:

Number of hours read everyday = \(1 \frac{3}{4}\) hours

Number of days to read whole book = 6 days

Therefore,

Hence, Lipika took 10 \(\frac{1}{2}\) hours to read the entire book.

Question 7.

A car runs 16 km using 1 litre of petrol. How much distance will it cover using \(2 \frac{3}{4}\) litres of petrol.

Solution:

Distance of car runs in 1 litre = 16km

Distance it will cover using 2 \(\frac{3}{2}\) litres of

Question 8.

(a)

Solution:

Solution: