Add & Subtract Fractions with Uncommon Denominators

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5th grade

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Mathematics

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Question 1
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Q. What must you have to add and subtract fractions?
answer choices
Common numerators
Different numerators
Different denominators
Common denominators
Common numerators
alternatives
Different numerators
Different denominators
Common denominators
answer explanation
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Question 2
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Q.

$\frac{2}{5}+\frac{3}{10}=$
answer choices
7/10
5/10
1/2
5/15
7/10
alternatives
5/10
1/2
5/15
answer explanation
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Question 3
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Q.

$\frac{8}{9}-\frac{1}{3}=$
answer choices
7/6
5/9
2/3
8/27
7/6
alternatives
5/9
2/3
8/27
answer explanation
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Question 4
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Q.

$\frac{2}{3}+\frac{1}{2}=$
answer choices
6/7
2/6
3/5
7/6
6/7
alternatives
2/6
3/5
7/6
answer explanation
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Question 5
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Q.
Add and simplify!
$\frac{1}{3}+\frac{5}{12}=$
answer choices
6/12
6/15
3/4
4/4
6/12
alternatives
6/15
3/4
4/4
answer explanation
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Question 6
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Q.
Subtract and Simplify!
$\frac{9}{20}-\frac{1}{4}=$
answer choices
1/2
8/16
4/20
1/5
1/2
alternatives
8/16
4/20
1/5
answer explanation
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Question 7
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Q.

$\frac{3}{5}+\frac{7}{10}=$
answer choices
13/10
10/15
10/5
15/15
13/10
alternatives
10/15
10/5
15/15
answer explanation
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Question 8
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Q.

$\frac{1}{4}+\frac{5}{8}=$
answer choices
6/8
6/12
7/8
8/8
6/8
alternatives
6/12
7/8
8/8
answer explanation
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Question 9
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Q.
Subtract and simplify!
$\frac{7}{10}-\frac{1}{2}=$
answer choices
2/10
1/5
6/10
8/2
2/10
alternatives
1/5
6/10
8/2
answer explanation
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Question 10
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Q.
Tim did 1/12 of a load of laundry on Sunday and 1/4 of a load of laundry on Saturday. What fraction of laundry did Tim do in total? Remember to simplify your answer!
answer choices
2/16 loads done
1/3 loads done
2/3 loads done
2/12 loads done
2/16 loads done 
alternatives
1/3 loads done 
2/3 loads done 
2/12 loads done 
answer explanation
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Question 11
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Q.

$\frac{6}{7}-\frac{2}{3}=$
answer choices
32/21
4/21
1 3/21
7/21
32/21
alternatives
4/21
1 3/21
7/21
answer explanation
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Question 12
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Q.

$\frac{3}{4}+\frac{2}{8}=$
answer choices
1
5/12
6/32
5/8
1
alternatives
5/12
6/32
5/8
answer explanation
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