Dividing Fractions and Mixed Numbers Objective: Learn to divide fractions and mixed numbers.
Reciprocals: 1. Reciprocal means to “flip” the fraction. 2. You put the numerator in the denominator’s place and the denominator in the numerator’s place. Example of Reciprocals: 1) Find the reciprocal of 4 = ) Find the reciprocal of 3 = 8 3) Find the reciprocal of 1 4
Steps for dividing fractions: Example: 5 ÷ × = = 4 1. When dividing fractions you have to find the reciprocal of the second fraction. 2. Then you change the division sign to a multiplication sign. 3. Multiply normally. 4. Convert any improper fractions to mixed numbers. 5. Simplify.
Examples: 1) 3 ÷ ) 5 ÷ 1 7 3) 7 ÷ 1 8 6
When dividing Mixed Numbers: 1)Re write the mixed numbers as improper fractions. 2)Find the reciprocal of the second fraction. 3)Change the ÷ sign to a × sign. 4)Multiply normally. 5)Convert the improper fraction back to a mixed number. 6)Simplify. Example: 5 3 ÷
Homework 1 ) 1 ÷ ) 5 ÷ ) 3 ÷ 6 4 4) 2 ÷ ) ÷ 3 6) 5 4 ÷ ) 8 1 ÷ ) Find the reciprocal of ) Find the reciprocal of ) Find the reciprocal of 2 5