8.4 as a Fraction

42/5

How to convert 8.4 to a fraction

8.4 as a fraction in simplest form is 42/5.

  1. Count the decimal places

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

  2. Remove the decimal point

    Move the digits after the decimal into the numerator: 84/10.

  3. Find the greatest common divisor (GCD)

    GCD(84, 10) = 2.

  4. Divide by the GCD to simplify

    84 ÷ 2 = 42 and 10 ÷ 2 = 5, so the simplified fraction is 42/5.

  5. Express as a mixed number

    42 ÷ 5 = 8 with remainder 2, written as 8 2/5.