
Finding the Least Common Denominator and Comparing Fractions

Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Hard
+5
Standards-aligned

Olivia Brooks
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to find a common denominator when working with fractions?
To convert fractions to decimals
To find the greatest common divisor
To compare or add fractions
To simplify the fractions
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the value of a fraction if both the numerator and denominator are multiplied by the same number?
The value of the fraction increases
The value of the fraction decreases
The value of the fraction remains the same
The fraction becomes an improper fraction
Tags
CCSS.3.NF.A.3A
CCSS.3.NF.A.3B
CCSS.4.NF.A.1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you multiply 1/2 by 3, what fraction do you get?
3/6
3/2
6/3
1/6
Tags
CCSS.4.NF.B.4B
CCSS.4.NF.B.4C
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the least common multiple (LCM) of 3 and 9?
3
6
9
12
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When comparing 1/3 and 2/9, what is the common denominator used?
12
6
9
3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying 3/5 by 4?
8/20
12/20
15/20
9/20
Tags
CCSS.4.NF.B.4B
CCSS.4.NF.B.4C
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the least common multiple (LCM) of 2, 3, and 4?
12
10
8
6
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