The phrase "by fractions" refers to an action that is done in smaller parts or portions. Some synonyms for this phrase include "gradually," "bit by bit," "in increments," "piece by piece," "fractionally," or "step by step." These synonyms imply a slow and deliberate approach to completing a task, rather than taking a quick and abrupt action. By using these synonyms, you can convey a sense of patience and attention to detail in the planning and execution of a project. Whether you're talking about dividing a budget or building a complex machine, using these synonyms for "by fractions" can help you communicate your ideas more effectively.