Question

simply -2 upon 10+3upon7+5upon14-9upon30+-14upon5

Answer 1

-2/7+3/7+5/14-9/30-14/5
=-60/210+90/210+75/210-63/210-588/210
=-546/210
=-13/5 or -2.6

Answer 2

$\frac{ - 2}{10} + \frac{3}{7} + \frac{5}{14} - \frac{9}{30} + \frac{ - 14}{5} \\ = \frac{ - 2}{10} + \frac{3}{7} + \frac{5}{14} - \frac{3}{10} - \frac{14}{5} \\ = \frac{ - 5}{10} + \frac{77}{98} - \frac{14}{5} \\ = \frac{ - 33}{10} + \frac{77}{98} \\ = \frac{ - 2464}{980} \\ = \frac{ - 616}{245}$
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