Dividing Proper Fractions by Whole Number

1. The video below explains how to divide proper fractions by a whole number.

2.   
3
4
of a pizza is divided equally among 3 friends.
What is the share of each friend?

dividing fraction by whole number grade 5 math
   
3
4
 ÷  3

3
4
 ÷ 
3
1

 31
4
 × 
 1
13

1 x 1
4 x 1

1
4


Each friend receives
1
4
of the pizza.
Dividing by 3 or
3
1
is the same as multiplying by
1
3
.

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

dividing fraction by whole number grade 5 math
   
3
4
 ÷  6

3
4
 ÷ 
6
1

 31
4
 × 
 1
26

1 x 1
4 x 2

1
8


Each friend receives
1
8
of the pizza.