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Understanding Sine Fractions and Least Common Denominator
Interactive Video
•
Mathematics
•
6th - 8th Grade
•
Practice Problem
•
Hard
Standards-aligned
Aiden Montgomery
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step when adding fractions with different denominators?
Multiply the numerators
Add the numerators
Subtract the denominators
Find a common denominator
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the least common denominator (LCD) of 8 and 12?
16
28
20
24
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you determine the LCD using prime factorization?
By adding the numerators
By ensuring the prime factors in the denominators are the same
By multiplying the denominators
By subtracting the denominators
Tags
CCSS.7.NS.A.1C
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sum of -9/24 and -10/24?
-19/24
-1/24
19/24
1/24
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the least common denominator of 20 and 8?
60
50
40
30
Tags
CCSS.3.NF.A.1
CCSS.3.NF.A.2B
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the second example, what factor is missing in the denominator of the first fraction?
2
3
7
5
Tags
CCSS.7.NS.A.1C
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sum of -6/40 and 5/40?
-1/40
1/40
-11/40
11/40
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