0.9 as a Fraction

0.9 as a fraction is 9/10, already in simplest form (90%).

Result

Answer

0.9 = \textcolor{#0b5c56}{\frac{9}{10}}

0.9 as a fraction is 9/10.

Percent: 90%

Step-by-step solution

The problem

0.9

Write the digits over 10. 0.9 has 1 decimal place, so put the digits (without the point) over 1 followed by 1 zero.
= \textcolor{#0b5c56}{\frac{9}{10}}
Check that it can't be simplified. 9 and 10 have no common factor other than 1.

All the working together

\begin{aligned} &0.9 \\[8pt] &= \textcolor{#0b5c56}{\frac{9}{10}} && \textcolor{#5b6660}{\textsf{over 10}}\end{aligned}

0.9 in other forms

Fraction (simplest form)	9/10
Percent	90%
The other way	9/10 as a decimal

Nearby decimals as fractions

Decimal	Fraction	Percent
0.85	17/20	85%
0.86	43/50	86%
0.87	87/100	87%
0.88	22/25	88%
0.89	89/100	89%
0.9	9/10	90%
0.91	91/100	91%
0.92	23/25	92%
0.93	93/100	93%
0.94	47/50	94%
0.95	19/20	95%

Frequently asked questions

What is 0.9 as a fraction?

0.9 as a fraction is 9/10. 0.9 has 1 decimal place, so write the digits over 10: 9/10. It cannot be simplified.

What is 0.9 as a percent?

0.9 is 90%: multiply by 100 (move the decimal point two places to the right).

Is 9/10 the simplest form?

Yes. 9 and 10 have no common factor other than 1.

More decimals as fractions

Any other decimal, including longer repeating ones: use the Decimal to Fraction Calculator, or look it up on the printable fraction chart.