ZMath 150  - Unit 11: Subtracting Mixed Fractions
Solve and check with fraction bars for problems #1 through #3.

1)

Subtract.


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2)

Subtract.


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3)

Subtract.


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For problems #4 through #6, solve and use estimation to check to see if the answer is reasonable.

4)

Find the difference.


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5)

Find the difference.


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6)

Find the difference.


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For problems #7 through #9, find the difference.

7)

Find the difference.


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8)

Find the difference.


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9) William ate 5/8 of the pizza. Etta Jo ate 1/4 of the pizza. What fractional part of the pizza is left? Draw a picture to represent the problem. Describe the picture and state the answer.

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For problems #10 through #12, find the difference.

10)

Find the difference.


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11)

Find the difference.


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12)

Find the difference.


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For problems #13 through #15, solve and use estimation to check to see if the answer is reasonable.

13)

Find the difference.


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14)

Find the difference.


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15) It takes 4 2/3 hours to bake a turkey. It takes 3/4 hour to cook potatoes. In order for the potatoes and the turkey to be done at the same time, how long must the turkey be baked before beginning to cook the potatoes?

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Review

16)

Find the sum.


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17)

Write the following fractions in order from least to greatest. (Hint: Change each fraction to the same denominator, then compare the numerators.)


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18) Find the GCF of 18 and 22.

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19)

Solve.


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20)

Estimate the difference by rounding each mixed fraction to the nearest one-half, and then subtracting.


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21)

Write as a mixed fraction.


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22)

Read this word problem. Some information is needed to solve the problem. State what the relevant information is and what additional information is needed to solve the problem.

Kelly’s softball team won their game with a scoring 10 points, while the other team only scored 7 points.  After the game, each team member was treated to ice cream cones that cost $1.50 each.  What would be the total of the treats?


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23) Find the LCD for 7 and 8.

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24)

Find the sum.


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25)

Find the square root.


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