Education Technology

Solution 21049: Entering and Computing Fractions on the TI-83 Plus.

How do I enter and compute fraction problems on the TI-83 Plus?

The TI-83 Plus does not have a specific fraction key and instead uses the division key [/] combined with the >Frac command.

Example: (5 8/13) / (9/23)

• Press [(] [5] [+] [8] [/] [1] [3] [)]
• Press [/]
• Press [(] [9] [/] [2] [3] [)]
• Press the [MATH] [1]
• Press the [ENTER]

Changing a decimal into a fraction.

Example: Convert .4 into a fraction

• Press [.] [4] [MATH] [1] [ENTER]

Changing a fraction into a decimal.

Example: Convert 15/6 into a decimal

• Press [1] [5] [/] [6] [ENTER] 

Please see the TI-83 Plus guidebook for additional information.