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Questions and Answers
Which of the following is the first step in adding rational numbers with different denominators?
Which of the following is the first step in adding rational numbers with different denominators?
- Subtract the two rational numbers directly
- Find the equivalent rational numbers of the given rational numbers with the LCM as the numerator (correct)
- Add the two rational numbers directly
- Multiply the two rational numbers
What is the purpose of finding the LCM of the two denominators when adding rational numbers?
What is the purpose of finding the LCM of the two denominators when adding rational numbers?
- To multiply the two denominators
- To find the difference between the two denominators
- To convert the denominators to the same value (correct)
- To find the sum of the two denominators
When adding rational numbers with different denominators, what do we do after finding the equivalent rational numbers?
When adding rational numbers with different denominators, what do we do after finding the equivalent rational numbers?
- Divide the two rational numbers
- Add the two rational numbers (correct)
- Subtract the two rational numbers
- Multiply the two rational numbers
What is the LCM of 6 and 8, and what is the sum of the resulting equivalent rational numbers 3/6 and 2/8?
What is the LCM of 6 and 8, and what is the sum of the resulting equivalent rational numbers 3/6 and 2/8?
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What is the LCM of 9 and 15, and what is the resulting equivalent rational number of 2/9?
What is the LCM of 9 and 15, and what is the resulting equivalent rational number of 2/9?
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What is the LCM of 12 and 20, and what is the resulting equivalent rational number of 5/20?
What is the LCM of 12 and 20, and what is the resulting equivalent rational number of 5/20?
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