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 is the result of converting the improper fraction 2 * 3 + 1 into a proper fraction, considering the negative sign?

• 5/2

• -5/2

• 7/2

• -7/2

When multiplying fractions, why is cross multiplication not applicable?

• It only works for addition.

• It is only applicable when two ratios are equal.

• It is used for subtraction.

• It is a method for division.

How do you handle the negative sign when multiplying fractions?

• It doesn't matter where it is placed.

• Place it in the denominator.

• Remove it entirely.

• Place it in the numerator.

What is the first step in simplifying a fraction with even numbers?

• Subtract two from both numerator and denominator.

• Add two to both numerator and denominator.

• Multiply by two.

• Divide by two.

If a fraction's numerator is 56 and the denominator is 6, what is the simplified form?

• 56/3

• 28/3

• 14/3

• 28/6