How to find common multiples of fractions - free online tutoring

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Mathematics
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11th Grade - University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in finding a common denominator for adding fractions?
Add the denominators directly
List the multiples of each denominator
Subtract the smaller denominator from the larger one
Multiply the numerators together
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you adjust a fraction to have a common denominator?
Add the same number to both the numerator and denominator
Multiply both the numerator and denominator by the same number
Subtract the numerator from the denominator
Divide the numerator by the denominator
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When using the alternative method, what is a potential drawback?
It always results in an incorrect answer
It requires more complex calculations
It only works for even numbers
It may require reducing the resulting fraction
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to find the lowest common multiple when working with fractions?
To ensure the fractions are in their simplest form
To increase the size of the fractions
To make the calculation process longer
To avoid using multiplication
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the lowest common multiple of 4 and 6?
6
18
12
24
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