Question

Matematica!!Urgent .....

Answer 1

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Answer 2

$\frac{1}{60} : ( - \frac{1}{30}) - ( - \frac{6}{10}) = - \frac{1}{60} : - \frac{1}{30} + \frac{6}{10} = - \frac{1}{60} \times 30 + \frac{6}{10} = - \frac{1}{2} + \frac{6}{10} = \frac{ - 5 + 6}{10} = \frac{1}{10}$