GRADE 8 Mathematics โ Fractions Quiz
1. What is 1/2 of 6?
To find half of a number, you divide it by 2. So, half of 6 is 3.
2. Which is larger: 3/4 or 5/8?
To compare fractions, find a common denominator. When both fractions have a common denominator, the fraction with the larger numerator is bigger. In this case, 3/4 is larger than 5/8.
3. What is the reciprocal of 2/3?
The reciprocal of a fraction is obtained by flipping the numerator and denominator. So, the reciprocal of 2/3 is 3/2.
4. Simplify: 4/8
To simplify a fraction, find the greatest common factor of the numerator and denominator. In this case, the GCF of 4 and 8 is 4. Dividing both by 4 gives 1/2.
5. Which is equivalent to 5/10?
To find an equivalent fraction, divide or multiply both the numerator and the denominator by the same number. In this case, dividing by 5 gives 1/2 which is equivalent to 5/10.
6. What is the sum of 1/4 and 1/3?
To add fractions with different denominators, find a common denominator. In this case, the common denominator is 12. Adding 1/4 and 1/3 gives 7/12.
7. Which is the smallest: 2/5, 3/7, 1/3?
To compare fractions, find a common denominator. In this case, all fractions have different denominators. Convert them to the same denominator to compare. 3/7 is the smallest of the three.
8. Multiply: 2/3 and 3/4
To multiply fractions, multiply the numerators together and the denominators together. Multiplying 2/3 and 3/4 gives 6/12 which simplifies to 1/2.
9. What is the difference between 2/5 and 1/4?
To subtract fractions with different denominators, find a common denominator. Subtracting 1/4 from 2/5 gives 3/20.
10. Divide: 1/2 by 1/4
To divide fractions, multiply the first fraction by the reciprocal of the second fraction. Dividing 1/2 by 1/4 gives 1/2 * 4/1 = 4/2 = 2.
11. Which is greater: 7/8 or 9/12?
To compare fractions, find a common denominator. In this case, the common denominator is 24. Comparing 7/8 and 9/12 when converted to 24, 7/8 is greater.
12. Convert 3/5 into a percentage.
To convert a fraction to a percentage, divide the numerator by the denominator and multiply by 100. So, 3/5 = 0.6 = 60%.
13. Which is equal to 4/3?
To compare two fractions, they must have a common denominator. 4/3 is equal to 4*5/3*5 = 20/15 which simplifies to 4/5.
14. Add: 5/6 + 2/9
To add fractions with different denominators, find a common denominator. Adding 5/6 and 2/9 gives 15/18 + 4/18 = 19/18 which simplifies to 7/15.
15. Simplify: 8/12
To simplify a fraction, find the greatest common factor of the numerator and denominator. In this case, the GCF of 8 and 12 is 4. Dividing both by 4 gives 2/3.
16. Which is correct: 6/7 + 5/14 =?
To add fractions, find a common denominator. Adding 6/7 and 5/14 gives 24/28 + 10/28 = 34/28 which simplifies to 19/14.
17. What is the product of 2/3 and 4/5?
To multiply fractions, multiply the numerators together and the denominators together. Multiplying 2/3 and 4/5 gives 8/15.
18. Subtract: 2/3 - 1/6
To subtract fractions with different denominators, find a common denominator. Subtracting 2/3 and 1/6 gives 4/6 - 1/6 = 3/6 which simplifies to 1/2.
19. Divide: 6/7 by 4/9
To divide fractions, multiply the first fraction by the reciprocal of the second fraction. Dividing 6/7 by 4/9 gives 6/7 * 9/4 = 54/28 which simplifies to 27/14.
20. Which is smaller: 3/5 or 4/9?
To compare fractions, find a common denominator. When both fractions have a common denominator, the fraction with the smaller numerator is smaller. So, 4/9 is smaller than 3/5.
21. Convert 7/8 into a decimal.
To convert a fraction to a decimal, divide the numerator by the denominator. So, 7/8 = 7 รท 8 = 0.875.
22. Which is equal to 5/6?
To compare two fractions, they must have a common denominator. 5/6 is equal to 5*2/6*2 = 10/12.
23. Add: 2/3 + 5/9
To add fractions with different denominators, find a common denominator. Adding 2/3 and 5/9 gives 6/9 + 5/9 = 11/9 which simplifies to 7/12.
24. Simplify: 16/24
To simplify a fraction, find the greatest common factor of the numerator and denominator. In this case, the GCF of 16 and 24 is 8. Dividing both by 8 gives 2/3.
25. Which is correct: 3/4 - 1/6 =?
To subtract fractions with different denominators, find a common denominator. Subtracting 3/4 and 1/6 gives 9/12 - 2/12 = 7/12 which simplifies to 1/2.
26. What is 1/2 of 18?
To find half of a number, you divide it by 2. 18 รท 2 = 9.
27. Which of the following is an improper fraction?
An improper fraction is when the numerator is greater than the denominator. 5/3 is an improper fraction.
28. What is 3/4 of 24?
To find a fraction of a number, you multiply the number by the fraction. 3/4 * 24 = 18.
29. Which of the following is equivalent to 2/5?
Equivalent fractions are fractions that represent the same value. 2/5 and 6/15 are equivalent fractions.
30. What is the reciprocal of 2/3?
The reciprocal of a fraction is when you swap the numerator and denominator. The reciprocal of 2/3 is 3/2.
31. Which of the following is the smallest fraction?
To compare fractions, you can find a common denominator. In this case, the smallest fraction is 1/5.
32. What is 4/9 of 45?
To find a fraction of a number, multiply the number by the fraction. 4/9 * 45 = 20.
33. Which of the following is a proper fraction?
A proper fraction is when the numerator is less than the denominator. 3/7 is a proper fraction.
34. What is 1/3 of 39?
To find a fraction of a number, multiply the number by the fraction. 1/3 * 39 = 13.
35. Which of the following fractions is between 1/4 and 1/2?
To find a fraction between two fractions, you can find a common denominator. 2/5 is between 1/4 and 1/2.