Answer:

Explanation:
In this question, it's asking you to express a ratio as a fraction and put it in its simplest form.
Simplest form is when a fractions numbers in the numerator and denominator are prime.
We know that the ratio is 14:21
We can represent the ratio in a fraction as:

We're not done yet, we need to simplify the fraction into its simplest form.
In order to get the fraction in its simplest form, we would need to divide. In this case, we would divide by 7 because 7 can go into both numbers.
Simplify fraction:

When you're done solving, you should get

This means that the ratio as a fraction and in its simplest form would be 2/3
I hope this helped you out.
Good luck on your academics.
Have a fantastic day!