Convert $7\frac{1}{4}$ into an improper fraction.

Convert $8\frac{5}{7}$ into an improper fraction.

Convert $5\frac{3}{10}$ into an improper fraction.

Convert $12\frac{7}{15}$into an improper fraction.

Write the fractions and check whether they are equivalent or not.

Write the fractions and check whether they are equivalent or not.

Write the fractions and match fractions in Column $\mathrm{I}$ with the equivalent fractions in Column $\mathrm{II}.$

Replace $\square$ in each of the following by the correct number:

$\frac{2}{7}=\frac{6}{\square }$

Replace $\square$ in each of the following by the correct number:

$\frac{5}{8}=\frac{10}{\square }$