[tex]4 \frac{3}{8} = 4 \frac{3 \times 125}{8 \times 125} = 4 \frac{375}{1000} = 4.375[/tex]
[tex] \frac{2}{5} = \frac{2 \times 2}{5 \times 2} = \frac{4}{10} = 0.4[/tex]
[tex] \frac{4}{25} = \frac{4 \times 4}{25 \times 4} = \frac{16}{100} = 0.16[/tex]