6th Grade Math Textbook, Progress

Find the LCD for each set of fractions.

1. 
   ^23
   ,
   ^34
   2.
   152
   ,
   ^56
   3.
   ^78
   ,
   ^16
   4.
   ^12
   ,
   ^14
   ,
   ^18
   5.
   ^13
   ,
   ^59
   ,
   ^12
   

Estimate and then add. Write each answer in simplest form.

6. 
   ^12
   7. 
   ^14
   8. 
   ^18
   9. 
   112
   10. .
   ^45
   11. 
   185
   


^13 
 
^25 
 
^56 
 .
^13 
 
 210 
 .
^13 

12. 
    ^79
    13. 
    ^57
    14. 
    130
    15. .
    ^29
    16. .
    ^38
    17. 
    ^49
    


^12 
 
^38 
 .
^16 
 
 172 
 
 254 
 
^15 

18. 
    
    1
    4
    
    19. 
    ^1
    2

1

0


 20. 
^1

6


 21. 
^3

4


 22. 


2

3

0


 23. .
^5

6




1

3 
 .

2

5 
 

1

9 
 

1

6 
 .

1

5 
 .

5

8 





1

2 
 .

1

2 
 

1

9 
 

1

2 
 
 1

3

0 
 
 2

7

4 

Compare. Use ,, 
, or ..

24. 
    51
    
    130
    ?
    ^12
    25.
    74
    
    ^12
    ?
    ^11
    ^34 26.
    61
    
    ^49
    
    ?^23
    27.
    97
    
    110
    ? 1
    29. Three fifths of the 2nd floor is used for
    hallways and
    2
    3
    0
    for offices. What
    part of the floor is used for both?
    31. Mia has 1 cup of milk that she
    wants to use. She uses
    
    1
    4
    
    c,
    
    ^1
    3
    
    c, and
    ^3
    8
    
    c in three recipes.
    Did Mia use the entire cup?


25. In water, sound travels about
    190
    mi
    in a second. How far will it travel
    in 2 seconds?


26. On Friday Hector skied
    
    1

7

6


mi and

then 
^5

8


mi. On Saturday he skied


^2

5


mi and then 


1

3

0


mi. On which day

did Hector ski farther?

Write as a mixed number in simplest form.

32. 
    
    1
    4

(^8)

33.

1
5
(^1)

34. 
    
    2
    6

(^9)

35.

7
8
(^6)

36.

5
9
(^7)

37. 
    
    8
    2

5

0 

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