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Adding And Subtracting Fractions
Test Description: Adding and subtracting fractions with like and unlike denominators.
Instructions: Answer all questions to get your test result.
1) When adding/subtracting fractions with LIKE denominators, you need to...
A
add/subtract their numerators
B
add/subtract their denominators
C
add/subtract both their numerators and denominators
2) 9/14 - 5/14
A
14/14
B
14/28
C
4/14
D
4/28
3) 1/8 + 7/8
A
8/8
B
-6/16
C
-6/8
D
8/16
4) 6/13 - 7/13
A
-1/26
B
-1/13
C
13/13
D
1/13
5) 7/25 + 13/25
A
6/25
B
20/25
C
6/50
D
20/50
6) 17/24 - 9/24
A
-8/24
B
26/24
C
8/48
D
8/24
7) When adding/subtracting fractions with unlike denominators you must first find their...
A
LCM (least common multiple)
B
LCF (least common factor)
C
favorite restuarant
8) What is the LCM of 4 and 3?
A
12
B
7
C
3
D
4
9) 3/4 + 2/3
A
17/12
B
5/43
C
32/43
D
5/12
10) What is the LCM of 15 and 5?
A
30
B
15
C
1
D
5
11) 13/15 - 1/5
A
12/15
B
10 /15
C
14/5
D
10/5
*select an answer for all questions
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