10 / 15 = (5 / 5) * (2 / 3) = 2 / 3
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Of the total 15 people 5 are boys and 10 are girls Boys are 5/15 = 1/3 Girls are 10/15 = 2/3 Ratio of boys to girls is 1 to 2
It is: 2 to 3
1.5 is a rational number. It can also be written as 15/10
Dividing one term by the next gives: 15 ÷ 10 = 1.5 22.5 ÷ 15 = 1.5 33.75 ÷ 22.5 = 1.5 Giving the common ration as 1.5
The gcf of the numbers is 15 so the ratio is 7 to 10