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  • Adding 712+518\frac{7}{12} + \frac{5}{18}127​+185​

Multiple Choice

You rewrite 712+518\frac{7}{12} + \frac{5}{18}127​+185​ as 2136+1036\frac{21}{36} + \frac{10}{36}3621​+3610​. Why should you NOT simplify these new fractions before adding?

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Updated 2026-09-17

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OpenStax

Elementary Algebra @ OpenStax

Ch.1 Foundations - Elementary Algebra @ OpenStax

Algebra

Math

Ch.8 Rational Expressions and Equations - Elementary Algebra @ OpenStax

Prealgebra

Comprehension in Revised Bloom's Taxonomy

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  • Adding 1315+1720\frac{13}{15} + \frac{17}{20}1513​+2017​

  • Add the fractions and write the result in simplest form: 712+518=\frac{7}{12} + \frac{5}{18} =127​+185​= _____

  • The sum of 712\frac{7}{12}127​ and 518\frac{5}{18}185​ is 3136\frac{31}{36}3631​.

  • What is the Least Common Denominator (LCD) needed to add the fractions 712\frac{7}{12}127​ and 518\frac{5}{18}185​?

  • Arrange the steps to add: 712+518\frac{7}{12} + \frac{5}{18}127​+185​.

  • Match each part of the addition process for 712+518\frac{7}{12} + \frac{5}{18}127​+185​ to its correct value.

  • When adding 712+518\frac{7}{12} + \frac{5}{18}127​+185​, what is the prime factorization of the denominator 181818?

  • Explain the steps to add 712\frac{7}{12}127​ and 518\frac{5}{18}185​. State the least common denominator (LCD) and the final sum.

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