sederhanakan perbandingan berikut !! a.2 1/2 : 1 3/4

[tex]2\frac{1}{2} : 1\frac{3}{4} \\ \\ = \frac{5}{2} : \frac{7}{4} \\ \\ = \frac{5}{2} \times \frac{4}{7} \\ \\ = \frac{5}{1} \times \frac{2}{7} \\ \\ = \frac{10}{7} = 1\frac{3}{7}[/tex]