To make something less complex or complicated. The teacher tried to simplify the math problem for the students.
To reduce something to its basic or essential elements. The engineer simplified the design to cut costs.
To make something easier to understand or do. The instructions were simplified to help new users.
Mathematics: to reduce a fraction, equation, or other expression to its simplest form without changing its value. You can simplify the fraction 8⁄24 to 1⁄3 by dividing numerator and denominator by 8.
(intransitive) To become less complex, or easier to understand or carry out. As technology advances, the process is expected to simplify and cost less.