
Finding Least Common Multiples and Fraction Conversions

Interactive Video
•
Mathematics
•
5th - 8th Grade
•
Easy
+1
Standards-aligned

Aiden Montgomery
Used 1+ times
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it necessary to find a common denominator when adding or subtracting fractions?
To ensure the fractions have the same base for accurate addition or subtraction
To convert fractions to whole numbers
To simplify the fractions
To make the numerators equal
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the least common multiple (LCM) of 4, 5, and 10?
25
20
15
10
Tags
CCSS.3.NF.A.3B
CCSS.4.NF.A.1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you convert 1/4 to a fraction with a denominator of 20?
Multiply the numerator by 5 and the denominator by 4
Multiply both the numerator and denominator by 5
Multiply the numerator by 4 and the denominator by 5
Multiply both the numerator and denominator by 4
Tags
CCSS.3.NF.A.3B
CCSS.4.NF.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is 3/5 converted to a fraction with a denominator of 20?
15/20
6/20
12/20
9/20
Tags
CCSS.4.NF.B.3C
CCSS.4.NF.B.3D
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of 5/20 + 12/20 - 6/20?
12/20
10/20
13/20
11/20
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the least common multiple (LCM) of 9, 6, and 3?
18
15
12
9
Tags
CCSS.3.NF.A.3B
CCSS.4.NF.A.1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you convert 4/9 to a fraction with a denominator of 18?
Multiply the numerator by 3 and the denominator by 2
Multiply both the numerator and denominator by 2
Multiply the numerator by 2 and the denominator by 3
Multiply both the numerator and denominator by 3
Tags
CCSS.3.NF.A.3B
CCSS.4.NF.A.1
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