dividing fractions lesson 5-3. to divide fractions: rewrite the first fraction. change the division...
TRANSCRIPT
Dividing Fractions
Lesson 5-3
To Divide Fractions:Rewrite the first fraction.Change the division sign to a multiplication sign.Flip the second fraction upside down.Multiply.
ReciprocalWhen you flip the second fraction, you are writing that fraction’s reciprocal.
35
53
Example 1
1
3÷ 12
Rewrite:
13x 21 = 2
3
Example 2
4
5÷4
9Rewrite:
45x 94
11 =
95
=1 45
Example 3
12 ÷ 351
Rewrite:
121x 53
41=20
1= 20
Example 4
16
÷ 21
Rewrite:
16x 12=
112
Practice Time