Question

{5/4×(1/2)}+{5/7×(-5/1)}
plz. help me to solve this problem
answer is 0​

Answer 1

$5/4\times \left(1/2\right)+5/7\times \left(-5/1\right)$

$=5/4\times \frac{1}{2}+5/7\times \left(-5/1\right)$

$=5/4\times \frac{1}{2}+5/7\times \left(-5\right)$

$=\frac{5}{8}+5/7\times \left(-5\right)$

$=\frac{5}{8}-\frac{25}{7}$

answer:

$=-\frac{165}{56}$