Warm-up: Find each quotient.

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Dividing Fractions Lesson 5-3.

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Presentation transcript:

Warm-up: Find each quotient. 8 ÷ 2/7 20 ÷ 6/7 7/8 ÷ 3/1 2/3 ÷ 4

Dividing Mixed Numbers

When dividing fractions: Copy original problem Change mixed numbers into improper fractions and whole numbers to fractions Rewrite the first improper fraction (keeping it the same) Change the division sign to multiplication Rewrite the reciprocal of the 2nd fraction (flip) 6. Multiply and Simplify!

simplify by factoring out 16 Example 1 6 2 2 ÷ 2 5 7 simplify by factoring out 16 32 16 ÷ 5 7 2 2 32 7 224 4 = = x 5 5 16 80 1 2 14 4 = = 5 5

simplify by factoring out 10 and 3 Example 2 1 6 1 ÷ 2 9 3 simplify by factoring out 10 and 3 10 20 ÷ 9 3 1 1 10 3 30 3 1 x = = = 9 20 180 18 6 3 2 3 1 = = 18 6

Example 3 8 5 1 ÷ Rename the improper fraction as a mixed number 2 17 5 ÷ 2 1 1 1 7 17 = 17 x = 10 10 2 5 Divide the numerator by the denominator

Homework Time