
Adding and Simplifying Fractions
Interactive Video
•
Mathematics
•
6th - 8th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
Olivia Brooks
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in evaluating the expression x + y when x = 4/5 and y = -2/3?
Convert the fractions to decimals
Find the least common multiple of the denominators
Directly add the numerators
Multiply the fractions
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it necessary to find a common denominator when adding fractions?
To make the fractions larger
To ensure the fractions have the same base for addition
To convert fractions into whole numbers
To simplify the fractions before adding
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the least common denominator of 4/5 and -2/3?
3
15
30
5
Tags
CCSS.7.NS.A.1C
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After finding a common denominator, what is the next step in adding the fractions 4/5 and -2/3?
Multiply the numerators
Divide the numerators
Add the numerators
Subtract the numerators
Tags
CCSS.7.NS.A.1C
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified result of the expression x + y when x = 4/5 and y = -2/3?
4/15
3/15
2/15
1/15
Tags
CCSS.7.NS.A.2B
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the second example, what are the given values for a and b?
a = 12/25, b = 4/10
a = -12/25, b = -4/10
a = 12/25, b = -4/10
a = -12/25, b = 4/10
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the least common denominator for the fractions -12/25 and -4/10?
25
10
50
100
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