Dividing Fractions By: Ms. D. Kritikos

Two numbers are called reciprocals or multiplicative inverses of each other if their product is 1. EXAMPLES: The reciprocal of 3 is since The reciprocal of is since

Two numbers are called reciprocals or multiplicative inverses of each other if their product is 1. EXAMPLES: The reciprocal of 3 is since The reciprocal of is since

What is the reciprocal of the following:

means the same as ¼ of 12, or 12 ¼. Multiplying by ¼ gives the same answer as dividing by 4. To divide fractions, multiply by the reciprocal of the divisor. EXAMPLE#1: Divide

means the same as ¼ of 12, or 12 ¼. Multiplying by ¼ gives the same answer as dividing by 4. To divide fractions, multiply by the reciprocal of the divisor. EXAMPLE#2: Divide

Divide.

To divide by a mixed number, change the mixed number to a fraction. Write the reciprocal of the divisor and then multiply. EXAMPLE#1: Divide Remember to simplify when multiplying or dividing fractions.

To divide by a mixed number, change the mixed number to a fraction. Write the reciprocal of the divisor and then multiply. EXAMPLE#2: Divide

Divide. Write the answer as a fraction or mixed number in lowest terms.

Now it’s your turn to show what you know… by completing Lesson 1 & 4: Multiplying Fractions