Question

21. Simplify
(6^-1 - 8^-1) + (2^-1 - 3^-1)^-1
​

Answer 1

=(1/6-1/8)+1/(1/2-1/3)

by  LCM method

=(4-3)/24+1/(3-2)/6

=1/24+1/(1/6)

=1/24+6

=144+1/6

=145/6

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