Question 119218
Do you want to simplify?



{{{x= 1/A + 1/B}}} Start with the given equation



{{{x= (B/B)(1/A) + (A/A)(1/B)}}} Multiply the first fraction by {{{B/B}}} and the second fraction by {{{A/A}}}.




{{{x= B/AB + A/AB}}} Multiply the fractions




{{{x= (B+A)/AB}}} Combine the fractions