Adding and Subtraction Common Denominators
5th Grade
•11 Qs
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Adding and Subtraction Common Denominators
Quiz
•
Mathematics
•
5th Grade
•
Hard
+2
Standards-aligned
Anthony Clark
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How do you find the common denominator when adding fractions with unlike denominators?
By multiplying the denominators together
By finding the greatest common factor
By finding the least common multiple
By adding the denominators together
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
In the case that the given fractions are dissimilar, how shall we make them similar being the only way to proceed to addition or subtraction of fractions?
Add the denominators together. Whatever is the sum, that will be the denominator for both fractions.
Just choose either of the denominator from both fractions that you wanted as new denominator before you proceed to adding and subtracting the numerators.
Simply find LCD and use such LCD as the new denominator for both fractions. Then find equivalent fractions for each given.
All of the above.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Add and simplify 4/7 and 3/7.
6/7
1
1 4/7
7/49
Tags
CCSS.4.NF.B.3C
CCSS.4.NF.B.3D
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Add and simplify if needed. 3/4 + 1/8 =
7/8
4/8
7/32
4/32
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
When can we add or subtract fractions?
We can add or subtract fractions if and only if their denominators are the same.
We can only add or subtract fractions if and only if their numerators are the same.
We can add or subtract fractions if and only if they are dissimilar.
We can add or subtract fractions simply by adding or subtracting their numerators as well as adding or subtracting their denominators.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
7/8 - 7/12
7/24
1/4
7/12
4/24
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the last step in adding or subtracting fractions?
Find their LCD
Add or subtract the whole number
Copy the denominator
Simplify
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
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