Question

Date :
If a = -15/13
and b = 6/-7
find then
a + (-b)​

Answer 1

Answer:

-27/91

Step-by-step explanation:

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Answer 2

$if \: \: \: a = \frac{ - 15}{13} \\ b = \frac{6}{ - 7} \\ then. \: \: \: a + ( - b) \\ ( \frac{ - 15}{13} ) + ( - ( \frac{6}{ - 7} )) \\ ( \frac{ - 15}{13} ) + ( \frac{6}{7} ) \\ \frac{ - 105 + 78}{91} \\ \frac{ - 21}{91}$

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