Päättele oikea supistaja.

a. [[$\frac{3}{12}^{ (}$]] = [[$\frac{1}{4}$]]

b. [[$\frac{4}{10}^{ (}$]] = [[$\frac{2}{5}$]]

c. [[$\frac{10}{25}^{ (}$]] = [[$\frac{2}{5}$]]

d. [[$\frac{12}{24}^{ (}$]] = [[$\frac{2}{4}$]]

e. [[$\frac{16}{20}^{ (}$]] = [[$\frac{4}{5}$]]

f. [[$\frac{9}{15}^{ (}$]] = [[$\frac{3}{5}$]]