Basic Mathematics for College Students

(Nandana) #1
Simplify each fraction, if possible.See Example 7.



























Simplify each fraction, if possible.See Example 8.







































Simplify each fraction.See Example 9.







































Tell whether each pair of fractions are equivalent by simplifying
each fraction.


  1. and 98. and

  2. and 100. and


12


90


4


30


33


51


22


34


4


24


3


12


6


36


2


14


TRY IT YOURSELF





81


132





16


26





98


126





90


105





3


42





4


68


216


189


420


144


24


16


15


6


208


117


306


234


90


120


180


210


75


275


60


108


22


88


50


55


41


51


55


62


14


25


16


17


48


120


36


96


2


42


2


48


6


30


5


15


25


35


16


20


15


20


6


9


218 Chapter 3 Fractions and Mixed Numbers



  1. a. b.


c. d.

Write each fraction as an equivalent fraction with the indicated
denominator.See Example 4.


  1. denominator 40 38. denominator 24

  2. denominator 27 40. denominator 49

  3. denominator 54 42. denominator 27

  4. denominator 14 44. denominator 50

  5. denominator 30 46. denominator 60

  6. denominator 32 48. denominator 60

  7. denominator 28 50. denominator 44

  8. denominator 45 52. denominator 36


Write each whole number as an equivalent fraction with the
indicated denominator.See Example 5.


  1. 4, denominator 9 54. 4, denominator 3

  2. 6, denominator 8 56. 3, denominator 6

  3. 3, denominator 5 58. 7, denominator 4

  4. 14, denominator 2 60. 10, denominator 9


Are the following fractions in simplest form? See Example 6.


  1. a. b.

  2. a. b.

  3. a. b.

  4. a. b.


21


56


22


45


18


21


35


36


7


36


9


24


3


25


12


16


13


12


,


16


15


,


9


4


,


5


4


,


9


10


,


11


16


,


1


3


,


1


2


,


3


10


,


2


7


,


2


3


,


5


6


,


5


7


,


4


9


,


3


4


,


7


8


,


98


1


125


125


27


0


0


64

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