Determining if two ratios create a proportion

The video tutorial explains the concept of proportions, which are equal fractions. It demonstrates how to verify if two fractions form a proportion by simplifying them. The example used is simplifying 16/12 to 4/3, showing that they are equivalent and thus form a proportion.

How do you verify if two fractions are equivalent?

What is the significance of dividing both the numerator and denominator by the same value when simplifying fractions?