How to Put a Fraction in a Calculator
On a basic or phone calculator, type a fraction as a division: 3/4 is 3 ÷ 4 = 0.75. For a mixed number like 2 1/3, add the whole part: 2 + 1 ÷ 3. On a TI-84, press ALPHA then Y= and choose n/d. Or skip all that — type the fractions below and get an exact, simplified answer.
- 3/2 + 2/3
- 13/6
- Mixed number
- 2 1/6
- Decimal
- 2.166666667
- Percent
- 216.6666667%
Steps
- Common denominator: 2 × 3 = 6
- 9/6 + 4/6 = 13/6
- Simplify: 13/6
Worked example
Example: 1 1/2 + 2/3
- Convert to an improper fraction: 1 1/2 = 3/2
- Common denominator 6: 9/6 + 4/6 = 13/6
- Simplify / convert: 13/6 = 2 1/6 ≈ 2.1667
1 1/2 + 2/3 = 13/6 = 2 1/6.
Formula
a/b + c/d = (ad + bc) / bd
a/b × c/d = ac / bd
a/b ÷ c/d = ad / bc
Results are reduced by dividing the numerator and denominator by their greatest common divisor.
Frequently asked questions
How do I put a fraction in my phone's calculator?
Enter the numerator, tap ÷, enter the denominator. For 5/8, type 5 ÷ 8 = 0.625. Use parentheses for mixed numbers: (2 + 1 ÷ 3).
How do I do fractions on a TI-84 Plus?
Press ALPHA, then Y= to open the FRAC menu and pick n/d (or Un/d for mixed numbers). To convert a decimal, press MATH → ►Frac.
How do I turn a decimal into a fraction?
Type the decimal (like 0.375) into the first box and multiply by 1 — the calculator shows 3/8.
Last reviewed October 17, 2026 · Calculations run in your browser; nothing you enter is sent to a server.