pakai cara ???? plis gusy secepatnya yah???

[tex] = \frac{25}{4} \times \frac{4}{5} \\ = \frac{100}{20} = 5[/tex]

[tex] 6 \frac{1}{4} \times \frac{4}{5} \\ \frac{25}{4} \times \frac{4}{5} \\ = \frac{100}{20} = \frac{5}{1} [/tex]