Add 2/3 and 1/4. What is the sum?

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Prepare for the Certify Teacher EC-6 (391) Mathematics Exam. Utilize multiple choice questions, flashcards, and explanations to excel in your assessment. Gear up for success!

Multiple Choice

Add 2/3 and 1/4. What is the sum?

Explanation:
When adding fractions with different denominators, use a common denominator. The least common multiple of 3 and 4 is 12, so rewrite each fraction with that denominator: 2/3 becomes 8/12 and 1/4 becomes 3/12. Add the numerators: 8 + 3 = 11, giving 11/12. This fraction is already in simplest terms since 11 and 12 share no common factors beside 1. So the sum is 11/12.

When adding fractions with different denominators, use a common denominator. The least common multiple of 3 and 4 is 12, so rewrite each fraction with that denominator: 2/3 becomes 8/12 and 1/4 becomes 3/12. Add the numerators: 8 + 3 = 11, giving 11/12. This fraction is already in simplest terms since 11 and 12 share no common factors beside 1. So the sum is 11/12.

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