Question 206271
what do you do when you have -1 and 1/3 plus +4/9?
0 solutions

<pre><font size = 4 color = "indigo"><b>
{{{-1&1/3+4/9}}}

You change {{{-1&1/3}}} to {{{-4/3}}}

{{{-4/3+4/9}}}

Than you get an LCD of 9, by multiplying {{{-4/3}}}
by {{{3/3}}}

{{{(-4/3)(3/3)+4/9}}}

{{{-12/9+4/9}}}

Now we simply combine the numerators over
the least common denominator:

{{{-8/9}}}

Edwin</pre>