Question

simplify and reduce expression to lowest terms 15z/10z+13 - 5z-13/10z+13

Answer 1

@Ceann

Answer 2

This is a nice and easy one. Starting with
\[\frac{15z}{10z+13}-\frac{5z-13}{10z+13}\]
We just do standard fraction subtraction, and it simplifies nicely.
\[\frac{10z+13}{10z+13}=1\]