3.5 as a Fraction

7/2

How to convert 3.5 to a fraction

3.5 as a fraction in simplest form is 7/2.

  1. Count the decimal places

    3.5 has 1 decimal place. The denominator is 10^1 = 10.

  2. Remove the decimal point

    Move the digits after the decimal into the numerator: 35/10.

  3. Find the greatest common divisor (GCD)

    GCD(35, 10) = 5.

  4. Divide by the GCD to simplify

    35 ÷ 5 = 7 and 10 ÷ 5 = 2, so the simplified fraction is 7/2.

  5. Express as a mixed number

    7 ÷ 2 = 3 with remainder 1, written as 3 1/2.