Brandus bought 1/3 pound of ground turkey and 3/4 pound of ground beef to make sausages. how many pounds of meat did he buy.

To add fractions together multiply each fraction by the denominator of the other

like this:

(1/3) * (4/4) + (3/4) * (3/3) =

(1*4) / (3*4) + (3*3) / (4*3) =

4/12 + 9/12 = 13/12 or 1 + 1/12