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Fraction Practice
Test Description: Finding denominators, scale factor, etc.
Instructions: Answer all questions to get your test result.
1) Two fractions have the following denominators: 8 and 12. What is the least common denominator?
A
24
B
48
C
12
D
8
2) You need to add two fractions. What is the first thing you look for?
A
I check to see if the numerators are the same.
B
I check to see if the numbers are mixed numbers.
C
I check to see if the denominators are the same.
D
I don't look at anything. I just add the numerators and the denominators.
3) My common denominator is 24. The fraction that needs to be changed has a denominator of 3. What is the scale factor you will use to change the fraction?
A
8
B
2
C
4
D
1
4) You are adding two fractions that have the same denominators. What is the correct procedure to be able to solve?
A
Add the numerators; keep the denominator the same.
B
Subtract the numerators; keep the denominator the same; reduce.
C
Add the numerators; add the denominators; reduce.
D
Add the numerators; keep the denominator the same; reduce.
5) Two fractions have the following denominators: 6 and 15. What is the least common denominator?
A
15
B
90
C
12
D
30
6) My common denominator is 18. The fraction that needs to be changed has a denominator of 6. What is the scale factor you will use to change the fraction?
A
6
B
1
C
3
D
18
7) Two fractions have the following denominators: 9 and 12. What is the least common denominator?
A
24
B
108
C
36
D
27
8) What is the first step when changing an improper fraction to a mixed number?
A
You don't need to change it; just leave it alone.
B
Flip the fraction.
C
Divide the numerator into the denominator.
D
Divide the denominator into the numerator.
9) My common denominator is 32. The fraction that needs to be changed has a denominator of 4. What is the scale factor you will use to change the fraction?
A
32
B
6
C
8
D
4
10) My common denominator is 54. The fraction that needs to be changed has a denominator of 9. What is the scale factor you will use to change the fraction?
A
9
B
45
C
1
D
6
*select an answer for all questions
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