Add 1/3 and 2/5. What is the sum?

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Multiple Choice

Add 1/3 and 2/5. What is the sum?

Explanation:
When adding fractions, you must have the same bottom number, a common denominator. For 1/3 and 2/5, the smallest common denominator is 15. Convert each fraction: 1/3 becomes 5/15, and 2/5 becomes 6/15. Now add the top numbers: 5 + 6 = 11, so you get 11/15. Check if it can be simplified—11 and 15 have no common factors besides 1—so it’s already in simplest form. The sum is 11/15.

When adding fractions, you must have the same bottom number, a common denominator. For 1/3 and 2/5, the smallest common denominator is 15. Convert each fraction: 1/3 becomes 5/15, and 2/5 becomes 6/15. Now add the top numbers: 5 + 6 = 11, so you get 11/15. Check if it can be simplified—11 and 15 have no common factors besides 1—so it’s already in simplest form. The sum is 11/15.

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