What is the first step in adding fractions with like denominators?

Rational Expressions and Denominators

Interactive Video
•
Mathematics
•
7th - 10th Grade
•
Hard

Sophia Harris
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Add the numerators
Multiply the denominators
Divide the numerators
Subtract the numerators
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When subtracting rational expressions, why is it important to use parentheses?
To add the numerators
To multiply the denominators
To ensure the entire numerator is subtracted
To simplify the expression
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What must be done first when adding rational expressions with unlike denominators?
Subtract the denominators
Find the least common denominator
Multiply the numerators
Add the numerators directly
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the least common denominator (LCD) for rational expressions?
By subtracting the numerators
By analyzing the prime factors of the denominators
By multiplying the numerators
By adding the denominators
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example with denominators 30 and 12, what is the least common denominator?
60
30
12
24
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of adding 2/60 and 5/60?
2/60
5/60
7/60
3/60
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When dealing with variables, how do you ensure the LCD includes all necessary factors?
By adding extra variables
By ignoring the variables
By ensuring each variable is repeated the maximum number of times it appears
By subtracting variables
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