Question

Whats the simplified form of :

1/b-1/a
/
1/b+1/a

Answer 1

((1/b)-(1/a))/((1/b)+(1/a)) = ((a-b)/ba)/((a+b)/ba) = (a-b)/(ab)*(ab)/(a+b) = (a-b)/(a+b) as long as a or b (or both) are not zero

Answer 2

make both of the expressions into one fraction and divide