Dividing a Fraction by a Whole Number


Example 1:

   3
4
  of a pizza is divided equally among 3 friends.
   What is the share of each friend?





   3
4
  ÷  3

Dividing by 3 or  3
1
  is the same as
multiplying by  1
3
  .
 = 3
4
  ÷  3
1

 = 13
 4
  ×  1
31

 = 1 × 1
4 × 1

 = 1
4

Each friend receives  1
4
  of the pizza.


Example 2:

   3
4
  of a pizza is divided equally among 6 friends.
   What is the share of each friend?





   3
4
  ÷  6

 = 3
4
  ÷  6
1

 = 13
 4
  ×  1
62

 = 1 × 1
4 × 2

 = 1
8

Each friend receives  1
8
  of the pizza.