Question

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Answer 1

Explicación paso a paso:

⋆Corregimos

$a)12 \frac{7}{15} = \frac{15*12 + 7}{15} = \frac{187}{15}$

$b)4 \frac{12}{17} = \frac{17*4 + 12}{17} = \frac{80}{17}$