How to multiply two mixed numbers by each other with unlike denominators

The video tutorial covers the process of working with intermittent proper fractions, emphasizing the correct placement of negative signs. It clarifies the use of cross multiplication, explaining that it is only applicable when dealing with ratios. The tutorial also provides a method for simplifying fractions, particularly focusing on dividing by two when dealing with even numbers.

What steps should you take if you do not know an initial number that divides into the top and bottom of a fraction?

Describe the process of determining if a number is even and how it relates to simplifying fractions.