Common Denominators
2 years ago
rachbarlow
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20 QuestionsShow answers
  • Question 1
    120 seconds
    Q. What is the least common denominator of 1/7 and 3/6?
    answer choices
    14
    21
    7
    42
  • Question 2
    120 seconds
    Q. What is the least common denominator of 6/8 and 4/12?
    answer choices
    12
    24
    8
    16
  • Question 3
    120 seconds
    Q. What is the least common denominator of 2/6 and 7/8?
    answer choices
    36
    8
    18
    24
  • Question 4
    120 seconds
    Q. What is the least common denominator of 1/4 and 1/3?
    answer choices
    4
    3
    12
    8
  • Question 5
    120 seconds
    Q. What is the least common denominator of 1/4 and 2/5?
    answer choices
    5
    25
    10
    20
  • Question 6
    120 seconds
    Q. What is the least common denominator of 2/4 and 4/7?
    answer choices
    24
    7
    42
    28
  • Question 7
    120 seconds
    Q. What is the least common denominator of 3/5 and 5/7?
    answer choices
    35
    25
    7
    30
  • Question 8
    120 seconds
    Q. What is the least common denominator of 1/9 and 2/3?
    answer choices
    6
    3
    9
    21
  • Question 9
    120 seconds
    Q. What is the least common denominator of 1/2 and 3/7?
    answer choices
    2
    14
    7
    28
  • Question 10
    900 seconds
    Q. Which of these numbers could NOT be a common denominator for these two fractions?
    2/4   and   3/8
    answer choices
    32
    12
    8
    24
  • Question 11
    900 seconds
    Q. Which of these numbers could NOT be a common denominator for these two fractions?
    1/6   and   1/4
    answer choices
    12
    18
    24
    36
  • Question 12
    900 seconds
    Q. Which of these numbers could NOT be a common denominator for these three fractions?
    1/3   and 2/5   and   3/10
    answer choices
    15
    30
    60
    90
  • Question 13
    900 seconds
    Q. Complete the equivalent fraction.
    answer choices
    6
    9
    15
    23
  • Question 14
    900 seconds
    Q. Which of the following is an equivalent fraction to 5/6?
    answer choices
    9/12
    10/12
    8/12
    14/18
  • Question 15
    30 seconds
    Q. What do you need to have when adding unlike fractions?
    answer choices
    common denominator
    common numerator
    common numerator and denominator
  • Question 16
    30 seconds
    Q. Is this a correct answer?
    answer choices
    Yes, the student correctly added.
    No, you cannot add unlike denominators
    No, 5 + 7 is not 12
    No, 2 + 3 is not 5
  • Question 17
    900 seconds
    Q. Jared ate 2/8 of his pizza for lunch and 3/8 of his pizza for supper.  How much of his pizza is left?
    answer choices
    5/8
    3/8
    1/8
    5/16
  • Question 18
    180 seconds
    Q. What is the difference of 7/8 - 1/3?
    answer choices
    6/5
    8/11
    6/8
    13/24
  • Question 19
    180 seconds
    Q. What is the least common denominator you could use to subtract 1/3 and 1/4?
    answer choices
    3
    4
    24
    12
  • Question 20
    180 seconds
    Q. A plumber is fitting a water pipe that is 3/4 foot long on to a water pipe that is 2/12 foot long. How long will the finished pipe be?
    answer choices
    11/12 foot
    8/16 foot
    2/12 foot
    1 foot
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