Question

rational numbers. 1.find the sum of the following. a. 13/31 + -7/31​

Answer 1

Answer:

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Answer 2

Answer:

$\frac{13}{31} \: + ( - \frac{7 }{31} ) \\ = \frac{13}{31} - \frac{7}{31} \\ = \frac{13 - 7}{31} \\ = \frac{6}{31}$

Step-by-step explanation:

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