
Subtracting Fractions and Common Denominators

Interactive Video
•
Mathematics
•
5th - 8th Grade
•
Hard
Standards-aligned

Ethan Morris
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step when subtracting fractions with the same denominator?
Find the least common multiple
Keep the denominator the same and subtract the numerators
Add the numerators
Multiply the denominators
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When subtracting fractions with different denominators, what must you find first?
The sum of the numerators
The least common denominator
The greatest common factor
The product of the denominators
Tags
CCSS.7.NS.A.1C
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you handle subtracting a negative fraction?
Multiply it by zero
Ignore the negative sign
Add it as a positive fraction
Subtract it as a positive fraction
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the least common denominator of 5 and 15?
5
20
10
15
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of -9/15?
-3/5
-2/5
-1/5
-4/5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If you have fractions with denominators 10 and 8, what is their least common denominator?
30
40
20
18
Tags
CCSS.7.NS.A.1C
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of subtracting -3/10 from -1/8?
-11/40
-9/40
-5/40
-7/40
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