Question

Write the ratio 45:225 as a fraction:

Answer 1

We know that ratio is already a fraction in simplest form .

45:225=$\frac{45}{225}$ but it is not in simplest form so we divide the numerator and denominator by HCF of the numbers.

HCF=Highest Common Factor

HCF(45,225)=45

Now we divide the numerator and denominator by 45 .

$\frac{45÷45}{225÷45}=\frac{1}{5}$