Page 187 - Math Smart - 7

8.3 3 Using a calculator to convert

between mixed numbers and

improper fractions

We can use a scientific calculator to convert from a mixed number to an improper
fraction, and from an improper fraction to a mixed number.

Use the Is*J key to enter the improper fraction
SHIFT
or the key to enter the mixed number. Press the key and
the at the same
To convert an improper fraction to a mixed
time to get the mixed
number, press the key. M-B-j format.
number

Example 3

O Use the calculator to convert

a) 2^ to an improper fraction.

b) 3 to a mixed number.
Calculator display will show:
doiuiion
a MlU A
a) Use the kev sequence SHIFT □ H] CE) E ® d] d] 2^
So.2l = |. 7

b) Use the key sequence 5 |^| [3] ® ShD ■ Hltt A
5
So,f =l|. 3

Check My
Understanding

O Change the following improper fractions to mixed numbers.

a) I b) I T d) t e) I

h) I
f) ^ 9) 2 "' 3 " 5 j) ¥
i)
6
J' 5
y 2
O Use your calculator to convert the mixed numbers to improper fractions.
a) b) c) 2| d) 3l e) 5| f) 32

© Use your calculator to convert the improper fractions to mixed numbers.

a) b) I I

d) f e) 10 f) ^
7