Question

find the value 9 by 10 - 7 by -15​

Answer 1

Answer:

13/30 is your answer before.

Answer 2

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$Solution : \\ \\ The \: numbers \: are \: \frac{9}{10 } - \frac{ \: 7}{(- 15)} \\ \\ The \: minus \: ( - ) \: sign \: should \: be \: always \\ in \: the \: numerator. \\ \\ So, \: the \: number \: are \: \: \frac{9}{10} - \frac{( - 7)}{15} \\ \\ \implies \: \frac{9}{10} - \frac{ (- 7)}{15} \\ \\ \implies \: \frac{9}{10} + \frac{7}{15} \\ \\ LCM \: of \: 10 \: and \: 15 \: is \: 30. \\ \\ \implies \: \frac{27 + 14}{30} \\ \\ \implies \: \frac{41}{30} \: \: <<\:ANSWER\: >>$

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