What is 3.5 as a fraction?

3.5==

3.5 = 7/2 in simplest form, or 3 1/2 as a mixed number. As a percent it is 350%. On a ruler that's the 7/2" mark.

How to convert 3.5 to a fraction

There is 1 digit after the decimal point, so the last digit is in the tenths place. Write the digits over 10.
3.5 = 35/10
Simplify by dividing top and bottom by the GCF, 5.
35/10 = 7/2
As a mixed number:
3 1/2

14/4 = 21/6 = 28/8 = 35/10 = 70/20 = 7/2. All are equivalent; 7/2 is the one in lowest terms.

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

What is 3.5 as a fraction?

3.5 as a fraction is 7/2 (3 1/2 as a mixed number). Written over 10 it is 35/10, which simplifies to 7/2.

What is 3.5 as a percent?

3.5 × 100 = 350%.