Basic Mathematics for College Students

(Nandana) #1

Write each mixed number as an improper fraction.
See Example 2.




























Write each improper fraction as a mixed number or a whole
number. Simplify the result, if possible.See Example 3.




















































Graph the given numbers on a number line.See Example 4.














− 5 − 4 − 3 − 2 − 1012345

3


1


7


, 


98


99


, 


10


3


,


3


2


− 5 − 4 − 3 − 2 − 1012345




3


4


,  3


1


4


,


5


2


, 4


3


4


− 5 − 4 − 3 − 2 − 1012345

 2


8


9


, 1


2


3


,


16


5


, 


1


2





28


8





20


6





33


7





58


7


38


19


34


17


80


16


52


13


93


9


84


8


62


8


42


9


28


3


28


5


41


6


13


4


 9


3


4


 8


2


3


 7


1


12


 7


5


9


15


3


8


20


4


5


8


2


3


6


1


2


50.

Multiply and simplify, if possible.See Example 5.



























Divide and simplify, if possible.See Example 6.



























Perform each operation and simplify, if possible.






































  1. Find the quotient of and.

  2. Find the quotient of 25 and  10.


5


7


2


1


4


 4


1


2


5


3


5


 1


11


14


3


1


16


 4


4


7


 2


7


10


a 1

1


14


 20 b

1


4


a 1

11


16


b

15  3


1


3


8  3


1


5


a 3

1


2


b

2
a 1

2


3


b

2

 4


1


4


 4


1


2


 6


3


5


 7


1


3


 7  1


3


28


 6  2


7


24


TRY IT YOURSELF


4


1


2





3


17


1


7


24





7


8


5


3


5





9


10


1


3


4





3


4


6


1


4


 3


3


4


15


1


3


 2


2


9


 2


5


6


a 8

1


2


 1 b

13


15


a 4

1


5


b

 3


3


4


 2 (8)


1


2


(4)


12


3


5


 1


3


7


6


1


2


 1


3


13


40


16


a

26


5


2 b

2


5


a 3

1


12


b

1


5


6


 1


1


2


3


1


2


 2


1


3


− 5 − 4 − 3 − 2 − 1012345

 2


1


5


,


4


5


, 


11


3


,


17


4


3.5 Multiplying and Dividing Mixed Numbers 267
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