0,45:0,8

To simplify the ratio 0.45:0.8, you can first convert both numbers to whole numbers. This is done by multiplying both by 100 (or a suitable factor that eliminates decimal points):

• 0.45 × 100 = 45
• 0.8 × 100 = 80

Now, the ratio becomes 45:80.

Next, find the greatest common divisor (GCD) of 45 and 80. The GCD is 5.

Now, divide both sides of the ratio by their GCD:

• 45 ÷ 5 = 9
• 80 ÷ 5 = 16

Thus, the simplified ratio is 9:16.