\(\left(\frac{377}{-213}-\frac{123}{89}+\frac{34}{791}\right).\left(\frac{1}{6}-\frac{1}{8}-\frac{1}{24}\right)\)
\(=\left(\frac{377}{-213}-\frac{123}{89}+\frac{34}{791}\right).0\)
\(=0\)
(377/-213 - 123/89 +34/791 ). (1/6 - 1/8 - 1/24).
=(377/-213 - 123/89+34/791). 0
= 0