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Questions and Answers
Which operation involves combining two or more fractions together?
Which operation involves combining two or more fractions together?
- Division
- Multiplication
- Addition (correct)
- Subtraction
What is the result of adding 1/4 and 3/8?
What is the result of adding 1/4 and 3/8?
- 7/8
- 1/12
- 5/16
- 7/16 (correct)
If you add a fraction with a denominator of 5 to a fraction with a denominator of 10, what is the common denominator?
If you add a fraction with a denominator of 5 to a fraction with a denominator of 10, what is the common denominator?
- 5
- 15
- 10
- 20 (correct)
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Study Notes
Combining Fractions
- Combining two or more fractions together is known as adding fractions.
Adding Fractions with Different Denominators
- When adding fractions with different denominators, a common denominator is needed.
- The common denominator is the least common multiple (LCM) of the original denominators.
- For example, when adding a fraction with a denominator of 5 to a fraction with a denominator of 10, the common denominator is 10, which is the LCM of 5 and 10.
Adding 1/4 and 3/8
- The result of adding 1/4 and 3/8 is a combined fraction.
- To add these fractions, a common denominator of 8 is needed, since 8 is the LCM of 4 and 8.
- The resulting fraction would be in the form of a/b, where a and b are the numerator and denominator respectively, calculated by combining the original fractions.
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