What is 1.5 as a fraction?

1.5==

1.5 = 3/2 in simplest form, or 1 1/2 as a mixed number. As a percent it is 150%. On a ruler that's the 3/2" mark.

How to convert 1.5 to a fraction

  1. There is 1 digit after the decimal point, so the last digit is in the tenths place. Write the digits over 10.
    1.5 = 15/10
  2. Simplify by dividing top and bottom by the GCF, 5.
    15/10 = 3/2
  3. As a mixed number:
    1 1/2

Fractions equal to 3/2

6/4 = 9/6 = 12/8 = 15/10 = 30/20 = 3/2. All are equivalent; 3/2 is the one in lowest terms.

Convert another value with the decimal to fraction converter, or see neighbours in the fraction chart.

Questions people ask

What is 1.5 as a fraction?

1.5 as a fraction is 3/2 (1 1/2 as a mixed number). Written over 10 it is 15/10, which simplifies to 3/2.

What is 1.5 as a percent?

1.5 × 100 = 150%.