Step-by-step explanation:
[tex] \frac{1}{4} = \frac{1 \times 5}{4 \times 5} = \frac{5}{20} \\ \\ \frac{2}{5} = \frac{2\times 4}{5 \times 4} = \frac{8}{20} \\ \\ \because \: 5 < 8 \\ \therefore \: \frac{5}{20} < \frac{8}{20} \\ \\ \huge \red{ \boxed{\therefore \: \frac{1}{4} < \frac{2}{5}}}[/tex]
