How to Put a Fraction in a TI-84 Plus: A Comprehensive Guide

If you’re struggling to put a fraction in your TI-84 Plus calculator, you’re not alone. This is a common issue that many people face when working with these calculators. Fortunately, the process is relatively simple once you know what to do. In this guide, we’ll walk you through the steps of putting a fraction in your TI-84 Plus calculator.

Understanding Fractions on the TI-84 Plus

Before we dive into the steps, it’s essential to understand how fractions work on the TI-84 Plus calculator. Fractions are entered into the calculator using the “MathPrint” mode, which is the default setting. This mode allows you to enter fractions just as you would write them on paper, with the numerator (top number) above the denominator (bottom number) and a line in between.

Step-by-Step Guide to Entering Fractions

  1. Press the “Math” button on your calculator.
  2. Use the arrow keys to navigate to the “Frac” option and press “Enter.”
  3. Enter the numerator (top number) of your fraction, followed by the “Right Arrow” key to move to the denominator (bottom number).
  4. Enter the denominator (bottom number) of your fraction.
  5. Press “Enter” to complete the fraction.
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Tips and Tricks for Working with Fractions

  1. Simplify Fractions: If you’re working with fractions, you’ll likely need to simplify them at some point. To do this on the TI-84 Plus, enter the fraction as described above, then press the “Math” button, select “Simplify,” and press “Enter.”
  2. Convert Fractions to Decimals: If you need to convert a fraction to a decimal, enter the fraction as described above, then press the “Math” button, select “Frac,” and press “Enter.”
  3. Use Parentheses: When working with fractions in equations, it’s essential to use parentheses to ensure that the calculator performs the correct calculations. For example, if you want to add 1/2 to 1/4, you would enter “(1/2)+(1/4)” to ensure that the calculator performs the addition before dividing.
  4. Change the Display Mode: If you prefer to view fractions in decimal form, you can change the display mode on your calculator. To do this, press the “Mode” button, navigate to the “Display” option, and select “Float” or “Frac.”


In conclusion, putting a fraction in a TI-84 Plus calculator is a simple process once you understand how to use the “MathPrint” mode. By following the step-by-step guide outlined in this article, you can quickly and easily enter fractions, simplify them, and convert them to decimals. Additionally, the tips and tricks provided will help you work with fractions more efficiently and accurately. With these skills in your toolbox, you’ll be well-equipped to handle any fraction-related calculations on your TI-84 Plus calculator.

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