Dividing Fractions/Common Denominators

When dividing with fractions, you -

• divide across top and bottom

• find common denominator

• keep change flip

• reduce

Solve: Divide the Fractions
⅘÷⅚

• 24/25

• 2/3

• 20/30

What is the rule when dividing fractions?

• Find common denominators?

• Keep, change, flip

• Multiply straight across

Divide these fractions

• 8 / 2

• 13  1/2

• 9 / 2

• 9 / 24

You must find the (a)   before you can add or subtract fractions with unlike denominators.

• common denominator

• common numerator

• multiple

• simplified fraction

You must find the ​ (a)   before you can add or subtract fractions with unlike denominators.

• common denominator

• common numerator

• multiple

• simplified fraction

When DIVIDING FRACTIONS ...

• Add the fractions.

• Get a common denominator.

• Keep the 1st fraction, Change to multiplication, and Flip the 2nd fraction to its reciprocal.

• Subtract the fractions.

1/6 ÷ 3 =

• 18

• 1/18

• 16

• 1/16 

1/4 ÷ 2 = 

• 8

• 1/8

• 12

• 1/12

2 ÷ 1∕4 =

• 1/8

• 8

• 12

• 1/12