Question

The numerical expression 3/8+(-5)/7=-19/56​

Answer 1

$\frac{3}{8} + \frac{( - 5)}{7} = \frac{ - 19}{56}$

$\frac{(7 \times3) + ( -5 \times 8) }{56} = \frac{ - 19}{56}$

$\frac{21 + ( - 40)}{56} = \frac{ - 19}{56}$

$\frac{ - 19}{56} = \frac{ - 19}{56}$

Hence proved.

Answer 2

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