Answer :
[tex]\frac{24}{40}=\frac{24:4}{40:4}=\boxed{\frac{6}{10}}=\frac{6:2}{10:2}=\boxed{\frac{3}{5}}\\\\\frac{3}{5}=\frac{3\cdot5}{5\cdot5}=\boxed{\frac{15}{25}}\\\\\frac{3}{5}=\frac{3\cdot10}{5\cdot10}=\boxed{\frac{30}{50}}\\\vdots[/tex]
