1:0,25 0,6:0,15

To compare the fractions 1:0.25 and 0.6:0.15, we can convert both fractions to decimal form and then compare the decimals.

1:0.25 can be converted to decimal form by dividing 1 by 0.25: 1 ÷ 0.25 = 4

0.6:0.15 can be converted to decimal form by dividing 0.6 by 0.15: 0.6 ÷ 0.15 = 4

Both fractions have the same decimal value of 4. Therefore, 1:0.25 is equivalent to 0.6:0.15.