The Unwanted Math
Google Docs is equipped with an aggressive auto-formatting engine designed to make documents look clean and professional. One of its core features is automatic fraction replacement. If you type the number 1, a forward slash, and the number 2 (1/2), Google Docs will instantly intercept your keystrokes and compress them into a single, specialized typographical character (½). While visually pleasing for recipes, this is incredibly frustrating for programmers writing code snippets, network engineers documenting IP addresses, or mathematicians writing specific formulas where the raw text format of “1/2” is absolutely critical to the document’s meaning.
Disabling the Typographical Substitution
To keep your text exactly as you type it and stop Google Docs from automatically replacing your forward slashes with compressed fraction characters, you must disable the specific mathematical substitution rule.
Open your Google Doc. Look at the primary menu bar across the top of the screen and click on Tools. From the dropdown menu, select Preferences. A settings dialogue box will appear in the center of your screen. Click the tab at the very top labelled Substitutions. You will see a long list of automatic text replacements. Carefully scroll down this list and look for the specific rows where “1/2” is replaced by “½”, “1/4” is replaced by “¼”, and so on. Do not delete them; simply click the blue checkmark in the box on the far left of each fraction rule to turn it Off. Once all fraction substitutions are unchecked, click the blue OK button at the bottom. You can now freely type “1/2” without any interference.