I am trying to create a step-by-step solution sheet for my homework and have discovered that I need to use "cancel" things in a fraction. For example, like in the following picture

I would like to draw lines through the term b-4.
I am trying to create a step-by-step solution sheet for my homework and have discovered that I need to use "cancel" things in a fraction. For example, like in the following picture

I would like to draw lines through the term b-4.
\canceltofrom\usepackage{cancel}will do this. – Sep 11 '14 at 23:38cancel's\bcancel. – Werner Sep 11 '14 at 23:39