Question

Convert the following unlike fractions into like fractions.

$\frac{3}{5},\frac{3}{10}and\frac{1}{20}$

Answer 1

$$\begin{gathered} \frac{3}{5},\frac{3}{10}and\frac{1}{20} \\ LCMof5,10,20=20 \\ \frac{3}{5}=\frac{3\times 4}{5\times 4}=\frac{12}{20}, \\ \frac{3}{10}=\frac{3\times 2}{10\times 2}=\frac{6}{20}, \\ \frac{1}{20}=\frac{1\times 1}{20\times 1}=\frac{1}{20} \\ hence\frac{12}{20},\frac{6}{20},\frac{1}{20}arelikefractionswhosedenominatorissame. \end{gathered}$$