## MP Board Class 7th Maths Solutions Chapter 2 Fractions and Decimals Ex 2.4

Question 1.

Find:

Solution:

Question 2.

Find the reciprocal of each of the following fractions. Classify the reciprocals as proper fractions, improper fractions and whole numbers.

Solution:

(i) Reciprocal of \(\frac{3}{7}=\frac{7}{3}\). It is an improper fraction.

(ii) Reciprocal of \(\frac{5}{8}=\frac{8}{5}\). It is an improper fraction.

(iii) Reciprocal of \(\frac{9}{7}=\frac{7}{9}\). It is a proper fraction.

(iv) Reciprocal of \(\frac{6}{5}=\frac{5}{6}\). It is a proper fraction.

(v) Reciprocal of \(\frac{12}{7}=\frac{7}{12}\). It is a proper fraction.

(vi) Reciprocal of \(\frac{1}{8}\) = 8. It is a whole fraction.

(vii) Reciprocal of \(\frac{1}{11}\) = 11. It is a whole fraction.

Question 3.

Question 4.

Find:

Solution:

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