2/5 + 3/10 equals what fraction?

Master the NLN PAX Mathematics 1 Exam with our comprehensive study guide and quizzes. Test your knowledge with multiple choice questions tailored for the PAX Math exam, featuring detailed explanations and tips to enhance your preparation and increase your chances of success.

Multiple Choice

2/5 + 3/10 equals what fraction?

Explanation:
Adding fractions with different denominators needs a common denominator. Here, 5 and 10 share 10 as a convenient common denominator. Convert 2/5 to tenths by multiplying top and bottom by 2, giving 4/10. Now add the numerators: 4/10 + 3/10 = 7/10. So the sum is seven-tenths, which is already in simplest form since 7 and 10 have no common divisor other than 1.

Adding fractions with different denominators needs a common denominator. Here, 5 and 10 share 10 as a convenient common denominator. Convert 2/5 to tenths by multiplying top and bottom by 2, giving 4/10. Now add the numerators: 4/10 + 3/10 = 7/10. So the sum is seven-tenths, which is already in simplest form since 7 and 10 have no common divisor other than 1.

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