20% + 1/4 = dibuat persen, pecahan , desimal

20% + [tex] \frac{1}{4} [/tex]
= 20% + (1 : 4 x 100)%
= 20% + (0.25 x 100)%
= 20% + 25%
= 45%

desimal
45% = 45 / 100
. .  . . = 0.45

pecahan
0.45 = [tex] \frac{45}{100} [/tex] = [tex] \frac{9}{20} [/tex]

[tex] \frac{20}{100} + \frac{1}{4} \\ = \frac{1}{5} + \frac{1}{4} \\ = \frac{4}{20} + \frac{5}{20} \\ = \frac{9}{20} \\ = 45 \hspace{1 mm} persen \\ = 0,45[/tex]