Grade 4 - Progress in Mathematics

Improper Fractions

9-3

^88 
 1 
^88 
 1 
^48 

^12 

An improper fraction is a fraction greater than

or equal to one. Its numerator is greater than

or equal to its denominator.

^280 
is an improper fraction

since 20 8.

Write 
^280 
as a mixed number

in simplest form: 
^280 
n

To write an improper fraction as a mixed number:

Divide the numerator Write the quotient Write the remainder

by the denominator. as the whole number. over the divisor.

2 R 4 2 


4

8 


1

2 



^280 
 8 
 2  0 

Write the fraction

in simplest form.

So 


2

8

(^0)

 2

4
8
^2

1
2
. simplest form
Yo u can also break apart
an improper fraction.

^280

^88

^88

^48
 2
^12

Yo u can use a number line to model an improper fraction.
(^0123)
0
8
8
8
16
8
17
8
18
8
19
8
20
8
(^208)
 (^888848)
284
(^212) simplest form
Remember:
Read

2
8
(^0)

as: twenty eighths
twenty divided by eight
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