Question

i will mark as a brillant

Answer 1

$({6}^{ - 1} - {8}^{ - 1} ) {}^{ - 1}$
(1/6-1/8)^-1
(8+6/48)^-1. (common multiple of 8and6 is 48)
(14/48)^-1
48/14
24/7 ans