Practice Fractions on Your Casio

The Casio fx-260 makes it easy to solve problems with fractions. Use your Casio fx-260 to complete the following examples.

Performing Calculations with Fractions

Example: Follow the steps listed below to add 7/8 + 1 3/4.

• For 7/8: Enter the number 7;
  press ;
  enter the number 8.
• Press the addition sign.
• For 1 3/4: Enter the number 1;
  press ;
  enter the number 3;
  press ;
  enter the number 4.
• Press the equal sign.

The answer on the display should read 2 _| 5_|8 or 2 5/8.

Changing Mixed Numbers to Improper Fractions

Students may need to convert mixed numbers to improper fractions or vice versa. For example, they will need to convert mixed numbers to improper fractions on the standard grid.

Follow these simple instructions for converting fractions to other equivalent forms.

Example : Change 3 1/2 to an improper fraction.

Use your calculator and complete the following steps.

• Enter the number 3;
  press ;
  enter the number 1;
  press ;
  enter the number 2—your display should show 3_| 1 _| 2.
• Press and then press .

Your display should now show 7 _| 2. which is the improper fraction 7/2.