-
A.
5/4
-
B.
5/16
-
C.
5/8
-
D.
1/4
Solution
To divide 5/8 by 1/2, multiply by the reciprocal: 5/8 * 2/1 = 10/8 = 5/4.
Correct Answer:
A
— 5/4
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Q. If 2/5 of a number is 12, what is the number?
Solution
Let the number be x. Then, (2/5)x = 12. Solving gives x = 12 * (5/2) = 30.
Correct Answer:
B
— 25
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Q. If 3/4 of a number is 18, what is the number?
Solution
Let the number be x. Then, (3/4)x = 18. Solving gives x = 18 * (4/3) = 24.
Correct Answer:
A
— 24
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Q. Subtract 5/6 from 7/8.
-
A.
1/24
-
B.
1/12
-
C.
1/8
-
D.
1/6
Solution
To subtract 5/6 from 7/8, find a common denominator, which is 24. Convert: 7/8 = 21/24 and 5/6 = 20/24. So, 21/24 - 20/24 = 1/24.
Correct Answer:
B
— 1/12
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-
A.
1/4
-
B.
1/2
-
C.
1/3
-
D.
1/8
Solution
To find 1/3 of 3/4, multiply: (1/3) * (3/4) = 3/12 = 1/4.
Correct Answer:
B
— 1/2
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-
A.
7/8
-
B.
5/8
-
C.
3/4
-
D.
1
Solution
Convert 1/2 to a common denominator of 8: 1/2 = 4/8. So, 3/8 + 4/8 = 7/8.
Correct Answer:
A
— 7/8
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Q. What is the difference between 7/10 and 1/5?
-
A.
1/2
-
B.
1/5
-
C.
3/10
-
D.
2/5
Solution
To find the difference, convert 1/5 to a common denominator of 10: 1/5 = 2/10. So, 7/10 - 2/10 = 5/10 = 1/2.
Correct Answer:
C
— 3/10
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Q. What is the product of 2/3 and 3/4?
-
A.
1/2
-
B.
1/4
-
C.
1/3
-
D.
1/6
Solution
To find the product of 2/3 and 3/4, multiply the numerators and the denominators: (2*3)/(3*4) = 6/12 = 1/2.
Correct Answer:
A
— 1/2
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Q. What is the reciprocal of 4/5?
-
A.
5/4
-
B.
4/5
-
C.
1/4
-
D.
1/5
Solution
The reciprocal of a fraction is obtained by flipping the numerator and denominator. Thus, the reciprocal of 4/5 is 5/4.
Correct Answer:
A
— 5/4
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Q. What is the sum of 3/4 and 2/5?
-
A.
23/20
-
B.
19/20
-
C.
17/20
-
D.
21/20
Solution
To add 3/4 and 2/5, find a common denominator, which is 20. Convert: 3/4 = 15/20 and 2/5 = 8/20. So, 15/20 + 8/20 = 23/20.
Correct Answer:
A
— 23/20
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