Adding & Subtracting Fractions - NICHOLAS GLAESER | Library

3

Fill in the blank.
Fractions that have the same value are called _______________  fractions.

Fractions that have a greater numerator than denominator are call _____________  fractions.

Before fractions can get added together, they must have ________________________ .

Other Answer Choices:

common denominators

improper

equivalent

2

1/2 + 1/8

What is the least (smallest) common denominator for the problem above?  _______ 

Now solve the problem: 1/2 + 1/8 = _______ 

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1/4 + 1/12

What is the least (smallest) common denominator for the problem above?  _______ 

Now, solve the problem.  1/4 + 1/12 = _______ 

2

1/2 + 1/3

What is the least (smallest) common denominator for the problem above?  _______ 

Now solve the problem: 1/2 + 1/3 = _______ 

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5/8 – 1/2

What is the least (smallest) common denominator for the problem above?  _______ 

Now solve the problem: 5/8 – 1/2 = _______ 

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2/3 – 1/9

What is the least (smallest) common denominator for the problem above?  _______ 

Now solve the problem: 2/3 – 1/9 = _______ 

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3/5 + 1/2

What is the least (smallest) common denominator for the problem above?  _______ 

Now solve the problem: 3/5 + 1/2 = _______ 

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3/4 – 2/3

What is the least (smallest) common denominator for the problem above?  _______ 

Now solve the problem: 3/4 – 2/3 = _______ 

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2/5 + 1/2

What is the least (smallest) common denominator for the problem above?  _______ 

Now solve the problem: 2/5 + 1/2 = _______ 

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Set up and solve the problem below.

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Set up and solve the problem below.

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Set up and solve the problem below.

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Set up and solve the problem below.

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Set up and solve the problem below.

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Set up and solve the problem below.

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Set up and solve the problem below.

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Set up and solve the problem below.

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Set up and solve the problem below.

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Set up and solve the problem below.

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Set up and solve the problem below.

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Set up and solve the problem below.

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Set up and solve the problem below.

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Mary picks 1/2 pound of tomatoes from her garden.  She serves 1/5 pound of tomatoes at dinner.  How many pounds of tomatoes does Mary have left?

In the situation above, what operation will solve this problem?  _______ 

What is the least common denominator for this situation?  _______ 

Now, solve the problem: 1/2 – 1/5 = _______

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