Question

Solve this please
Fast​

Answer 1

Step-by-step explanation:

-21/60 + 7/12

14/60=7/30

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Answer 2

Step-by-step explanation:

We have

$\sf{[\frac{7}{5}\times{\frac{(-3)}{12}}]+[\frac{7}{5}\times{\frac{5}{12}}]}$

$\sf{=\frac{7}{5}[\frac{(-3)}{12}+\frac{5}{12}]}$

$\sf{=\frac{7}{5}[\frac{-3+5}{12}]}$

$\sf{=\frac{7}{5}\times{\frac{2}{12}}}$

$\sf{=\cancel{\frac{14}{60}}}$

$\sf{=\boxed{\frac{7}{30}}}$

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