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Questions and Answers
What is the definition of like denominators in fractions?
What is the definition of like denominators in fractions?
- Fractions with different denominators
- Fractions with the same denominator (correct)
- Fractions with the same numerator
- Fractions with different numerators
What is the rule for adding fractions with like denominators?
What is the rule for adding fractions with like denominators?
- Add the numerators and keep the same denominator (correct)
- Divide the denominators and keep the same numerator
- Add the denominators and keep the same numerator
- Multiply the numerators and keep the same denominator
What is the formula for adding fractions with like denominators?
What is the formula for adding fractions with like denominators?
- a/b + c/b = (a + c)/b (correct)
- a/b + c/d = (a + b)/(c + d)
- a/b + c/d = (a + c)/(b + d)
- a/b + c/b = (a - c)/b
What is a key point to remember when adding fractions with like denominators?
What is a key point to remember when adding fractions with like denominators?
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What is the result of the addition problem 1/4 + 2/4?
What is the result of the addition problem 1/4 + 2/4?
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Study Notes
Adding Fractions with Like Denominators
Definition
- Like denominators: Fractions with the same denominator
Rule
- To add fractions with like denominators, add the numerators and keep the same denominator
- The resulting fraction will have the same denominator as the original fractions
Formula
- a/b + c/b = (a + c)/b
Example
- 1/4 + 2/4 = (1 + 2)/4 = 3/4
Key Points
- The denominators must be the same for this rule to apply
- The numerators are added together, not the denominators
- The resulting fraction will have the same denominator as the original fractions
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