Multiplying and Simplifying Fractions

This tutorial covers multiplying fractions, including methods for simplifying results. It begins with a basic example of multiplying two fractions and introduces an alternative method using cancellation. The tutorial then explains how to multiply mixed numbers with whole numbers, converting the result into a mixed number. Finally, it demonstrates calculating the area of a rectangle with fractional dimensions.

What is the first step in multiplying two fractions together?

• Divide the numerators by the denominators.

• Add the numerators and denominators.

• Multiply the numerators and denominators.

• Subtract the numerators from the denominators.

What is the result of multiplying 5/8 by 4/5?

• 4/5

• 5/8

• 20/40

• 1/2

What is the result of multiplying 1/2 by 1/2?

• 1/2

• 2

• 1

• 1/4

What is the result of multiplying 3/4 by 4/3?

• 1

• 4/3

• 3/4

• 12/12

What is the result of multiplying 2/3 by 3/2?

• 2/3

• 1

• 6/6

• 3/2

What is the result of multiplying 7/8 by 8/7?

• 56/56

• 7/8

• 8/7

• 1

What is the result of multiplying 9/10 by 10/9?

• 1

• 9/10

• 10/9

• 90/90

What is the result of multiplying 11/12 by 12/11?

• 12/11

• 11/12

• 1

• 132/132

What is the result of multiplying 13/14 by 14/13?

• 182/182

• 14/13

• 13/14

• 1

How can you simplify a fraction if the numerator and denominator have a common factor?

• Cancel the common factor from both.

• Divide the common factor from both.

• Multiply the common factor to both.

• Add the common factor to both.