Podcast
Questions and Answers
What is the first step in adding fractions with different denominators?
What is the first step in adding fractions with different denominators?
- Find the greatest common divisor of the numerators
- Add the numerators and keep the original denominators
- List the multiples of each denominator and find the smallest number in common (correct)
- Multiply the numerators and denominators by the same number
What is the purpose of finding the lowest common denominator?
What is the purpose of finding the lowest common denominator?
- To simplify the resulting fraction
- To make the numerators the same
- To subtract the fractions
- To make the denominators of both fractions the same (correct)
How can an equivalent fraction be created with a different denominator?
How can an equivalent fraction be created with a different denominator?
- By changing the denominator only
- By multiplying or dividing both the numerator and denominator by the same number (correct)
- By adding or subtracting the same number from the numerator and denominator
- By changing the numerator only
What is the result of adding fractions with a common denominator?
What is the result of adding fractions with a common denominator?
What is the rule for subtracting fractions?
What is the rule for subtracting fractions?
What should be done after adding or subtracting fractions?
What should be done after adding or subtracting fractions?
What is the purpose of the lowest common denominator?
What is the purpose of the lowest common denominator?
How can one fourth be rewritten as an equivalent fraction with a denominator of eight?
How can one fourth be rewritten as an equivalent fraction with a denominator of eight?
What is the result of finding a common denominator?
What is the result of finding a common denominator?
What is the primary function of simile in literature and everyday conversation?
What is the primary function of simile in literature and everyday conversation?
What words are most commonly used to connect two things in a simile?
What words are most commonly used to connect two things in a simile?
What is the result of using similes in literature and everyday conversation?
What is the result of using similes in literature and everyday conversation?
What is the purpose of a simile?
What is the purpose of a simile?
What is an example of a simile?
What is an example of a simile?
What is true about similes in literature?
What is true about similes in literature?
What is the effect of using similes in writing?
What is the effect of using similes in writing?
What is the difference between a simile and a literal comparison?
What is the difference between a simile and a literal comparison?
What is the purpose of using similes in everyday conversation?
What is the purpose of using similes in everyday conversation?
What is a characteristic of a simile?
What is a characteristic of a simile?
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Study Notes
- When adding fractions with a common denominator, the common denominator is kept, and the numerators are added together.
- To add fractions with different denominators, a common denominator must be found, which can be done by listing the multiples of each denominator and finding the smallest number in common.
- The lowest common denominator is used to make the denominator of both fractions the same.
- To make equivalent fractions with a different denominator, both the numerator and denominator of the original fraction must be multiplied or divided by the same number.
- For example, one fourth can be rewritten as an equivalent fraction with a denominator of eight by multiplying both the numerator and denominator by two, resulting in two eighths.
- Once fractions have a common denominator, they can be added by keeping the common denominator and adding the numerators.
- The rules for subtracting fractions are the same as for adding, requiring a common denominator to be found before subtracting the numerators.
- When finding a common denominator, the lowest multiple that both denominators have in common is used.
- Equivalent fractions can be created by multiplying or dividing both the numerator and denominator by the same number.
- After adding or subtracting fractions, the resulting fraction should be checked for simplification by finding any numbers that divide evenly into both the numerator and denominator.
- Simplification is done by dividing both the numerator and denominator by the common number to get a reduced equivalent fraction.
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