15/12 = 1 and a 1/4
number of boys = ratio of boys x total strength / total ratio = 5 x 27/9 = 5 x 3 = 15 number of girls = ratio of girls x total strength / total ratio = 4 x 27/9 = 4 x 3 = 12 verification: 15 + 12 = 27
15/12
4/5
5 over 6. However, this is a fraction, not a ratio
Well, isn't that a happy little question! No, 2 over 15 is not irrational. In fact, it is a rational number because it can be expressed as a simple fraction. Just like painting a beautiful landscape, math can be quite lovely once you understand its different forms.
15/12 = 1 and a 1/4
The ratio is 4:5
12 over 7 as a mixed number = 15/7
17/12 = 15/12
1 3/12
15:12 is the same as 5:4 ; [you divide both sides by 3]
70:2 is one example. It is a ratio of the from 35*k/k where is any non-zero number.
number of boys = ratio of boys x total strength / total ratio = 5 x 27/9 = 5 x 3 = 15 number of girls = ratio of girls x total strength / total ratio = 4 x 27/9 = 4 x 3 = 12 verification: 15 + 12 = 27
12 and 23/50
15/12
4/5