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