Question 20006
Negative exponents turn integers into fractions, so you have;
{{{5^-1}}}+{{{3^-1}}}
It turns it to fraction;
{{{1/5^1}}}+{{{1/3^1}}}which is;
{{{1/5}}}+{{{1/3}}}, now you need common denominators to be able to add;
{{{3/15}}}+{{{5/15}}}={{{8/15}}}
Hope you get it
=)